Multiple Choice Questions on Basic Mechanical EngineeringThe Following Section consists of Multiple Choice Questions on Basic Mechanical Engineering. Take the test on Basic Mechanical Engineering problems.
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Multiple Choice Questions on Mechanical Engineering Basic
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Question 1 of 20
1. Question
1 pointsFor the purpose of comparison, the steam generating capacity of a boiler is generally expressed in terms of
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Question 2 of 20
2. Question
1 pointsOne of the following methods is adopted for governing of steam turbines in a power plant
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Question 3 of 20
3. Question
1 pointsAn aircraft gas turbine operates on
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Question 4 of 20
4. Question
1 pointsThe output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is
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Question 5 of 20
5. Question
1 pointsWhich of the following is not used as a refrigerant ?
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Question 6 of 20
6. Question
1 pointsA refigerant used in the domestic refrigerator is
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Question 7 of 20
7. Question
1 pointsIn Industry of the developed nations the type of production most often occurring is
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Question 8 of 20
8. Question
1 pointsQuick return motion is used in a
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Question 9 of 20
9. Question
1 pointsDraft on a pattern is provided for
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Question 10 of 20
10. Question
1 pointsWhich of the following operations cannot be performed on a lathe
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Question 11 of 20
11. Question
1 pointsThe pump with a low initial cost and low maintenance cost is
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Question 12 of 20
12. Question
1 pointsMandrels are used to hold
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Question 13 of 20
13. Question
1 pointsThe operation of enlarging of a hole is called
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Question 14 of 20
14. Question
1 pointsIn upcut milling the work piece is fed
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Question 15 of 20
15. Question
1 pointsSprue is the passing provided for the
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Question 16 of 20
16. Question
1 pointsFeed in a lathe is expressed in
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Question 17 of 20
17. Question
1 pointsRapping allowance is provided on a pattern to take care of
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Question 18 of 20
18. Question
1 pointsUpsetting is the term used in one of the following operations
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Question 19 of 20
19. Question
1 pointsReducing flame is obtained in oxyactetylane welding with
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Question 20 of 20
20. Question
1 pointsBrasses and bronzes are welded using
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Multiple Choice Questions on Mechanical Engineering Basic 2
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Question 1 of 20
1. Question
1 pointsOne of the materials used for making surface plate is
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Question 2 of 20
2. Question
1 pointsIn a process chart the inverted triangle symbol indicates
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Question 3 of 20
3. Question
1 pointsOne of the following function is not performed by coating on the welding electrodes
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Question 4 of 20
4. Question
1 pointsFeeler gauges are used for measuring the
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Question 5 of 20
5. Question
1 pointsA micrometer screw has pitch of 0.5 mm and the themble has 100 equal divisions marked on it, the least count of the instrument in mm is
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Question 6 of 20
6. Question
1 pointsOne of the following objectives is not achieved by the process of annealing
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Question 7 of 20
7. Question
1 pointsIn oxacetylane welding, acetylene is produced using
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Question 8 of 20
8. Question
1 pointsA product layout is generally suggested for
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Question 9 of 20
9. Question
1 pointsThe objective of time study is to determine the time taken by
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Question 10 of 20
10. Question
1 pointsThe break even point is that volume of production where
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Question 11 of 20
11. Question
1 pointsThe melting point of the filler material in brazing should be above
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Question 12 of 20
12. Question
1 pointsThe friction experienced by a body, when in motion, is known as
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Question 13 of 20
13. Question
1 pointsTwo balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity
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Question 14 of 20
14. Question
1 pointsThe range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.
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Question 15 of 20
15. Question
1 pointsIf the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
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Question 16 of 20
16. Question
1 pointsA smooth cylinder lying on its convex surface remains in __________ equilibrium.
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Question 17 of 20
17. Question
1 pointsThe force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
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Question 18 of 20
18. Question
1 pointsThe range of a projectile is maximum, when the angle of projection is
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Question 19 of 20
19. Question
1 pointsThe mechanical advantage of a lifting machine is the ratio of
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Question 20 of 20
20. Question
1 pointsStatic friction is always __________ dynamic friction
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Multiple Choice Questions on Mechanical Engineering Basic 3
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Question 1 of 20
1. Question
1 pointsA body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.
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Question 2 of 20
2. Question
1 pointsThe bodies which rebound after impact are called
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Question 3 of 20
3. Question
1 pointsThe maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
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Question 4 of 20
4. Question
1 pointsThe algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
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Question 5 of 20
5. Question
1 pointsThe angle between two forces when the resultant is maximum and minimum respectively are
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Question 6 of 20
6. Question
1 pointsA redundant frame is also called __________ frame.
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Question 7 of 20
7. Question
1 pointsWhen a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
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Question 8 of 20
8. Question
1 pointsDuring elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
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Question 9 of 20
9. Question
1 pointsOne watt is equal to
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Question 10 of 20
10. Question
1 pointstwo like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are
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Question 11 of 20
11. Question
1 pointsThree forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to
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Question 12 of 20
12. Question
1 pointsIf tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is
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Question 13 of 20
13. Question
1 pointsThe law of motion involved in the recoil of gun is
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Question 14 of 20
14. Question
1 pointsWhen two elastic bodies collide with each other,
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Question 15 of 20
15. Question
1 pointsIf the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys
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Question 16 of 20
16. Question
1 pointsThe unit of power in S.I. units is
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Question 17 of 20
17. Question
1 pointsThe force, by which the body is attracted, towards the centre of the earth, is called
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Question 18 of 20
18. Question
1 pointsCoplaner concurrent forces are those forces which
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Question 19 of 20
19. Question
1 pointsThe velocity ratio of a first system of pulleys with 4 pulleys is
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Question 20 of 20
20. Question
1 pointsOne joule means that
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Multiple Choice Questions on Mechanical Engineering Basic 4
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Question 1 of 20
1. Question
1 pointsThe forces, which meet at one point and their lines of action also lie on the same plane, are known as
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Question 2 of 20
2. Question
1 pointsThe unit of energy in S.I. units is
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Question 3 of 20
3. Question
1 pointsThe angle of inclination of the plane at which the body begins to move down the plane, is called
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Question 4 of 20
4. Question
1 pointsWhich of the following statement is incorrect?
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Question 5 of 20
5. Question
1 pointsThe moment of a force
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Question 6 of 20
6. Question
1 pointsIn a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
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Question 7 of 20
7. Question
1 pointsThe total motion possessed by a body, is called
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Question 8 of 20
8. Question
1 pointsA lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
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Question 9 of 20
9. Question
1 pointsThe friction experienced by a body, when at rest, is known as
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Question 10 of 20
10. Question
1 pointsThe matter contained in a body, is called
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Question 11 of 20
11. Question
1 pointsIf a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
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Question 12 of 20
12. Question
1 pointsWhich of the following statement is correct?
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Question 13 of 20
13. Question
1 pointsAccording to lami’s theorem
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Question 14 of 20
14. Question
1 pointsThe amplitude is always __________ radius of the circle.
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Question 15 of 20
15. Question
1 pointsWhen a body falls freely under gravitational force, it possesses __________ weight.
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Question 16 of 20
16. Question
1 pointsThe centre of gravity of a quadrant of a circle lies along its central radius (r) at a distance of
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Question 17 of 20
17. Question
1 pointsWhich of the following are vector quantities?
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Question 18 of 20
18. Question
1 pointsA machine having an efficiency greater than 50%, is known as
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Question 19 of 20
19. Question
1 pointsMoment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
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Question 20 of 20
20. Question
1 pointsAn ideal machine is one whose efficiency is
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