A. it is never done

B. control fire hazards

C. control temperature

D. increase efficiency

A. 0.5 kg/cm2

B. 1.06 kg/cm2

C. 1.03 kg/cm2

D. 0.53 kg/cm2

A. depends on on odier considerations

B. same

D. lower

E. unpredictable

A. enables compression in two stages

B. prevents compressor jacket running very hot

D. cools the delivered air

E. is the standard practice for big compressors

B. 72%

C. 85%.

D. 34%

E. 50%

A. 75%

C. 85%

D. 50%

E. 90%

A. reheating

B. all of the above

C. inter cooling

D. none of the above

A. maximum cycle temperature

B. minimum cycle temperature

C. pressure ratio

E. none of die above

A. k up wrong statement ?

C. pressure ratio

D. change in load

E. all of the above

F. mass flow rate

B. ankine cycle

C. Carnot cycle

D. Joule cycle

E. Erricsson cycle

A. two adiabatic, one isobaric and one constant volume,

C. two isobaric, two adiabatic and one constant volume

D. one adiabatic, one isobaric and two constant volume

E. one adiabatic, two isobaric, and one constant volume

A. none of the above

B. polytropic compression

C. isentropic compression

E. isothermal compression

A. 1500C

C. 2000C

D. 1000C

E. 2500C

A. adiabatic efficiency

C. volumetric efficiency

D. compressor efficiency

E. isothermal efficiency

A. no flow of air

B. does not occur

C. reducing mass flow rate with increase in pressure ratio

E. increased inclination of chord with air steam

A. thermal compression efficiency, even when running at high speed, can be approached by using

B. multi-stage compression

C. cold water spray

E. fully insulating the cylinder

F. high stroke

A. axial flow compressors apt to be longer as compared to centrifugal type

B. Axial flow compressors have a sub-stantially constant delivery at variable pressures

C. centrifugal compressors have a wider stable operating range than axial flow compressors

D. centrifugal compressors deliver prac-tically constant pressure over a considerable range of capacities

B. low freezing point

C. ease of atomisation

D. high calorific value

E. none of the above

A. pressure ratio

B. Eulers efficiency

C. isentropic efficiency

D. compressor efficiency

A. 4000 km/hr

B. 1050km/hr

C. 550 km/hr

D. 1700 km/hr

A. machine

B. none of the above

D. inversion

E. structure

A. maximum and minimum

C. minimum and maximum

D. zero and minimum

E. zero and maximum

A. sliding and rotary pairs

B. turning and rotary pairs

C. sliding pairs only

E. turning pairs only

A. of rotation of the cam for a definite displacement of the follower

C. moved by the cam from beginning oi ascent to the termination of descent

D. through which the cam rotates during the period in which the follower remains in highest position

E. during which the follower returns to its initial position

B. none of the above

C. 3 links and 4 turning pairs

D. 2 links and 3 turning pairs

E. 5 links and 4 turning pairs

A. none of the above

B. shaft revolving in a bearing

D. straight line motion mechanisms

E. automobile steering gear

B. perpendicular to line as per A.

C. at 45 to line as per A.

D. none of the above

E. not possible to determine with these data

B. mechanisms

C. kinematics

D. theory of machines

E. applied mechanics

A. the two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link

B. the two rigid links have no linear velocities relative to each other at the instantaneous centre

C. at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered

E. none of the above

A. five links

B. four links

D. six links

E. twelve links

A. tension on slack side of belt

C. tension on tight side of belt

D. speed of pulley

E. radius of pulley

A. piston, crank pin and crank shaft

B. piston, and piston rod

C. piston rod and cross head

D. piston, piston rings and gudgeon pin

A. no acceleration

B. linear acceleration

C. angular acceleration

E. none of the above

A. Machines transmit mechanical work, whereas structures transmit forces

C. In machines, relative motion exists be-tween its members, whereas same does hot exist in case of structures

D. Machines modify movement and work, whereas structures modify forces

E. Machines are run by electric motors, but structures are not

A. Oldhams coupling

B. chain coupling

C. flexible coupling

E. American coupling

A. lower pairs

B. higher pairs

C. sliding pairs

D. rolling pairs

B. none of the above

C. L.H.S. R.H.S.

D. there is no such criterion for checking above requirement

A. one pair turning and three pairs sliding

C. three pairs turning and one pair sliding

D. all four pairs sliding

E. all four pairs are turning

A. 5

C. 6

D. 3

E. 2

A. bevel gear

B. spiral gear

D. crown gear

E. spur gear

A. velocity x crank radius2

B. velocity2 x crank radius

D. none of the above

E. (velocity/crankradius)

A. centripetal component of acceleration with length of link

B. all of the above

D. resultant acceleration with length of link

E. none of the above

A. 1 link with pin joints

B. all of the above

C. 2 links with pin joints

E. 3 links with pin joints

A. five forks

B. one fork

C. four forks

D. three forks

A. P = L-4

B. P = 2L-4

D. P = 2L-2

E. P = 2L + 4

A. rolling pairs

B. turning pairs

C. spherical pairs

D. higher pairs

B. cor, 0

C. none of the above

D. 0, 0

E. 0, and less than coV

B. sliding pair

C. surface pair

D. cylindrical pair

E. turning pair

A. the former is most rigid

B. the former is most economical

D. the former is mathematically accurate

E. none of thfr above

A. cam and follower

C. ball and socket i

D. belt drive

E. piston and cylinder