Thermodynamics

1. Cycle used in steam power plant is

A) Carnot cycle
B) Rankine cycle
C) Auto cycle
D) Joule cycle

... Answer is B)
Rankine cycle

2. Crowning on pulley helps

A) In increasing velocity ratio
B) In decreasing the slip of belt
C) for automatic adjustment of belt position so that belt runs centrally
D) Increase belt and pulley size

... Answer is C)
for automatic adjustment of belt position so that belt runs centrally

3. The example of spherical pair is

A) ball and nut
B) Lead screw of lathe
C) ball and socket joint
D) roller bearing

... Answer is C) ball and socket joint

4. If there are L number of links in a mechanism, then the number of possible inversions is equal to

A) L+1
B) L-1
C) L
D) L+2

... Answer is C) L number of inversions

5. Automobile steering gear is example of

A) Higher pair
B) Lower pair
C) Turning pair
D) Sliding pair

... Answer is B)
Lower pair

6."Heel" and "Toe" wear is caused by

A) Excessive acceleration and braking
B) Over inflation
C) Under inflation
D) Excessive camber

... Answer is A) Excessive acceleration and braking

7. The clutch is located between the transmission and the

A) Engine
B) Propeller shaft
C) Rear axle
D) Differential

... Answer is A) Engine

8. The following is an automatic clutch which is controlled by engine speed

A) Cone clutch
B) Centrifugal clutch
C) Fluid clutch
D) Disc clutch

... Answer is B)
Centrifugal clutch

9. Pitch point on a cam is

A) Any point on pitch curve
B) the point on cam pitch curve having the maximum pressure angle
C) any point on pitch circle
D) the point on cam pitch curve having the minimum pressure angle

... Answer is B)
the point on cam pitch curve having the maximum pressure angle

10. A circular bar moving in a round hole is an example of

A) incompletely constrained motion
B) partial constrained motion
C) completely constrained motion
D) successfully constrained motion

... Answer is A)
incompletely constrained motion

11. Kinematics pairs are those which have two elements that

A)have a line contact
B) have a surface contact
C) Permit relative motion
D) are held together

... Answer is C)
Permit relative motion

12. Ackerman steering gear consists of

A) sliding pair
B) turning pair
C) rolling pair
D) higher pair

... Answer is B)
turning pairs

13. Typewriter constitutes

A) Machine
B) Structure
C) Mechanism
D) Inversion

... Answer is C) Mechanism

14. Klein's construction gives a graphical construction for

A) slider-crank mechanism
B) Velocity polygon
C) Acceleration polygon
D) four bar chain mechanism

... Answer is C) Acceleration polygon

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