Mechanical Engineering MCQs

A. Wet
B. Superheated
C. Remain dry saturated
D. Dry

A. heat transfer takes place
B. work is done by the expanding steam
C. internal energy of steam changes
D. all of the above

A. Wet
B. Superheated
C. Remain dry satruated
D. Dry

A. Horizontal straight line
B. Vertical straight line
C. Straight inclined line
D. Curved line

A. pressure only
B. temperature only
C. dryness fraction only
D. specific volume only

A. 0.1
B. 0.3
C. 0.5
D. 0.8

A. 0.2
B. 0.8
C. 1.0
D. 0.6

A. Solid and vapour phases are in equi-librium
B. Solid and liquid phases are in equilibrium
C. Liquid and vapour phases are in equilibrium
D. Solid, liquid and vapour phases are in equilibrium

A. 0°c
B. 100°c
C. Saturation temperature at given pressure
D. Room temperature

A. the given boiler with the model
B. the two different boilers of the same make
C. two different makes of boilers operat¬ing under the same operating conditions
D. two boilers of same make but operaing under different conditions