A. reversed Camot cycle

B. reversed Rankine cycle

C. Carnot cycle

D. Rankine cycle

B. 2.5 cm

C. 0.25 cm

D. 1.0 cm

E. 1.5 cm

A. increases

B. may increase or decrease depending on temperature

C. remains constant

E. unpredictable

B. temperature gradient

C. thermal coefficient

D. heat-transfer

E. thermal resistance

A. magnitude

B. direction

C. none of the above

D. position or line of action

B. l/T

C. T2

D. absolute temperature

E. T5

B. water will evaporate

C. water will never evaporate

D. a gas will immediately liquefy

E. none of the above

A. breeds neutrons

B. acts as good moderator

C. increases rate of reaction in core

D. produces maximum steam

A. introduce internal stresses

B. balance the other forces acting on it

C. retard its motion

E. change its motion

A. stability of floating bodies

B. determining stresses in the truss

C. solving kinematic problems

E. designing safe structures

A. maximum

B. infinity

D. same as the force applied

E. minimum

A. does not vary with temperature and. wavelength of the incident ray

B. varies with wavelength of the incident ray

D. varies with temperature

E. none of the above

A. cooling below 0C

B. very little power consumption

D. noisy operation

E. its input only in the form of heating

A. their total sum is zero

B. two resolved parts in two directions at right angles are equal

D. all of them are inclined equally

E. none of the above

A. thermometer

B. thermistor

C. radiatiouv pyrometer

E. thermopile

B. 840 kJ/min

C. 420 kJ/min

D. 105 kJ/min

E. 21 kJ/min

A. none of the above

B. more inclined when moving

C. less inclined when moving

D. more inclined when standing

A. Kirchhoffs law

B. Fouriers law

C. Plancks law

D. Stefans law

B. shape of surfaces

C. area of contact

D. strength of surfaces

E. all of the above

A. I.C. engine

B. heating of building in winter

C. air preheaters

E. all of the above

A. rubber

C. glass

D. water

E. plastic

A. coplanar

B. meet at one point ;

D. all be equal

E. something else

A. one-half of the total height above base

B. none of the above

D. one-fourth of the total height above base

E. three-eighth of the total height above the base

A. enriching U235

B. accelerating fast neutrons

D. using moderator

E. absorbing all neutrons

B. a=0,x + p= 1.

C. p = 0, x = 0 and a = 1

D. p = 0, x = 1 and a = 0

E. p=l,x = 0anda = 0

A. enriched uranium

B. thorium

C. natrual uranium

D. plutonium

A. power generation

B. nuclear fusion

C. nuclear fission

D. nucleonic devices

A. constitute a resultant couple

C. balance each other

D. constitute a moment of couple

E. constitute a moment

A. ratio of limiting friction and normal reaction

B. minimum force of friction

C. the friction force acting when the body is in motion

E. tangent of angle between normal-reaction and the resultant of normal reaction and limiting friction

A. n-l

B. 2n-l

C. 3n-2.

E. re n = number of joints in a frame

F. n 2

A. large gas turbines use radial inflow turbines

B. gas turbines have their blades similar to steam turbine

D. gas turbines use both air and liquid cooling

E. all of the above are correct.

A. atmospheric pressure

B. slightly above atmospheric pressure

C. 7-10 bars

E. 2-4 bars

A. none of the above

C. coplanar non-concurrent forces

D. non-coplanar non-concurrent forces

E. intersecting forces

A. the molecules rearrange themselves to form other molecules

B. none of the above

D. strong>. the electrons of the element change

A. convection

B. conduction and radiation combined

D. convection and radiation combined

E. conduction

B. in 1 hour

C. in 10 hours

D. in 12 hours

E. in 1 minute

A. direct mixing of hot and cold fluids

B. indirect transfer

D. a complete separation between hot and cold fluids

E. generation of heat again and again

A. bypass turbo-jet engine increases the thrust without adversely affecting, the propulsive efficiency and fuel economy

C. ramjet-engine has no turbine

D. turbine drives compressor in a burbojet

E. propeller is an indirect reaction device

A. 240 m

B. 38 m

D. 124 m

E. 96 m

A. none of the above

C. grey body

D. red hot body

E. brilliant white polished body

A. pressurised water

C. Co2

D. liquid metal

E. mercury

A. none of the above

B. inversely proportional to density of substance

D. directly proportional to thermal conductivity

E. inversely proportional to specific heat

A. different at different points in its line of action

B. maximum when it acts at the center of gravity of a body

C. minimum when it acts at the C.G. of the body

E. none of the above

A. ice at 4C

C. water at 0C

D. solid and dry ice

E. mixture of ice, water and vapour under equilibrium conditions under NTP conditions

A. after passing through the expansion or throttle valve

C. before [entering the expansion valve

D. after passing through the condenser

E. before entering the compressor

A. radiant heat is proportional to fourth power of absolute temperature

B. ratio of emissive power to absorptive power is maximum for perfectly black body

C. emissive power depends on temperature

D. emissive power and absorptivity are constant for all bodies

A. r/2

C. 2r/3

D. r/A

E. 3r/A

A. non oh these

B. U233andPu239

D. Th232andU238

A. specific volume and enthalpy

C. temperature and enthalpy

D. temperature, pressure, and specil volume

E. temperature, pressure and enthalpy

A. angle of repose

B. friction force

C. kinetic friction

E. limiting friction