1001. Calorie is a measure of
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A. entropy

B. quantity of heat

C. thermal capacity

D. specific heat

E. work

1002. The magnitude of tangential acceleration is equal to____________________?
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A. (velocity/crankradius)

B. velocityvcrankradius

C. velocity2 x crank radius

D. none of the above

E. velocity x crank radius2

1003. Typewriter constitutes__________________?
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A. mechanism

B. none of the above

C. inversion

D. machine

E. structure

1004. Carnot cycle is__________________?
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A. a reversible cycle (ft) an irreversible cycle

B. a semi-reversible cycle

C. a quasi static cycle

D. an adiabatic irreversible cycle

1005. The frequency of oscillation at compared to earth will be___________________?
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A. 6 times more

B. 36 times less

C. 6 times less

D. 2.44 times more

E. 2.44 times,less
1006. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?
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A. 45 mm

B. none of the above

C. slightly more than 95 mm

D. 95 mm

E. slightly less than 95 mm
1007. A sudden fall in the barometer reading is a sign of approaching________________?
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A. rains

B. hot wave

C. cold wave

D. storm

E. fine weather

1008. Heat and work are ____________________?
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A. system properties

B. path functions

C. intensive properties

D. extensive properties

E. point functions

1009. Angle of action of cam is defined as the angle ____________________?
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A. moved by the cam from the instant the follower begins to rise, till it reaches its highest position

B. during which the follower returns to its initial position

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

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

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

1010. For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be___________________?
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A. there is no such criterion

B. zero

C. infinity

D. maximum

E. minimum

1011. Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?
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A. right side pivot of this link

B. a point obtained by intersection on extending adjoining links

C. cant occur

D. none of the above

E. lift side pivot of this link

1012. The number of centers in a crank driven slider crank mechanism are_______________?
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A. 6

B. 0

C. 4

D. may be any number depending upon position of mechanism

E. 2
1013. Kleins construction is useful to determine__________________?
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A. acceleration of various parts

B. all of the above

C. velocity of various parts

D. angular acceleration of various parts

E. displacement of various parts

1014. A perpetual motion machine is___________________?
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A. a non-thermodynamic machine

B. a thermodynamic machine

C. an inefficient machine

D. a hypothetical machine whose opera-tion would violate the laws of thermodynamics

E. a hypothetical machine

1015. The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is________________?
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A. 29.27 J/kmolK

B. 735 J/kmol K

C. 848J/kmolK

D. All J/kmol K

E. 83.14J/kmolK
1016. First law of thermodynamics___________________?
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A. enables to determine change in internal energy of the system

B. provides relationship between heat, work and internal energy

C. does not enable to determine change in entropy

D. does not help to predict whether the system will or not undergo a change

E. all of the above
1017. Cylindrical cams can be classified as_________________?
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A. circular

B. tangent

C. reciprocating

D. none of the above

E. all of the above

1018. If value of n is infinitely large in a polytropic process pV = C, then the process is known as constant_____________________?
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A. entropy

B. volume

C. temperature

D. enthalpy

E. pressure

1019. An engine operates between temperatures of 900Kandr2 and another engine between T2 and 400K For both to do equal work, value of T2 will be________________?
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A. 650K

B. 600K

C. 700K

D. 625K

E. 750K

1020. A cam mechanism imparts following motion___________________?
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A. none of the above

B. all of the above

C. reciprocating

D. rotating

E. oscillating

1021. Molecular volume of any perfect gas at 600 x 103 N/m2 and 27C will be ____________________?
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A. 0.15 m3/kg mol

B. 417m3/kgmol

C. 400 m3/kg mol

D. 41.7 m3/kg mol

E. 4.17m3/kgmol
1022. Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ?
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A. Ipoc-

B. Ipocf

C. none of the above

D. Ipocf

E. Ip oc j
1023. The behaviour of gases can be fully determined by___________________?
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A. 3 laws

B. 4 laws

C. 1 law

D. 2 laws

1024. For which of the following substances, the gas laws can be used with minimum error_________________?
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A. steam at atmospheric pressure

B. dry steam

C. saturated steam

D. superheated steam

E. wet steam

1025. Work done is zero for the following process_________________?
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A. free expansion

B. constant volume

C. all Of the above

D. none of the above

E. throttling

1026. Extensive property of a system is one whose value______________________?
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A. depends on the mass of the system like volume

B. is always constant

C. does not depend on the mass of the system, like temperature, pressure, etc.

D. is not dependent on the path followed but on the state

E. is dependent on the path followed and not on the state

1027. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?
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A. will not occur

B. will change

C. none of the above

D. will remain same

E. could change or remain unaltered depending oh which link is fixed

1028. The Bifilar suspension method is used to determine__________________?
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A. natural frequency of vibration

B. moment of inertia

C. angular acceleration of a body

D. centripetal acceleration

E. position of balancing weights

1029. To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?
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A. divided by its molecular weight

B. multiplied by its density

C. multiplied by its molecular weight

D. divided by its specific weight

E. multiplied by its specific weight

1030. A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?
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A. none of the above

B. kinematically sound

C. soundness would depend upon which link is kept fixed

D. not sound

E. data is not sufficient to determine same

1031. A panto graph is a mechanism with___________________?
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A. spherical pairs

B. higher pairs

C. rolling pairs

D. turning pairs

E. lower pairs
1032. Work done in a free expansion process is___________________?
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A. #NAME?

B. maximum

C. minimum

D. #NAME?

E. zero
1033. The property of a material which enables it to resist fracture due to high impact loads is known as__________________?
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A. elasticity

B. strength

C. endurance

D. toughness

E. resilience

1034. Higher pairs are those which have_________________?
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A. elements of pairs not held together mechanically

B. point or line contact between the two elements when in motion

C. surface contact between the two ele-ments when in motion

D. none of the above

E. two elements that permit relative motion

1035. The unit of pressure in S.I. units is____________________?
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A. dynes per square cm

B. bars

C. mm of water column

D. kg/cm2

E. pascal
1036. Fatigue strength can be increased by__________________?
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A. cold working

B. hot working

C. shot peening

D. using gradual changes of section

E. grinding and lapping surface

1037. One barometric pressure or 1 atmospheric pressure is equal to___________________?
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A. 100 kgf/cm2

B. 1.033 kgf/cm2

C. 1.0197 kgf/cm2

D. 0 kgf/cm2

E. 1 kgf/cnr2

1038. Brayton cycle consists of following four processes____________________?
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A. two isentropics and two constant volumes

B. two isothermals and two isentropics

C. two isentropics, one constant volume and one constant pressure

D. two isentropics and two constant pres-sures

E. none of the above

1039. Water contained in a beaker can be made to boil by passing steam through it__________________?
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A. at atmospheric pressure

B. at a pressure below the firuosphejric pressure

C. not possible

D. at a pressure greater than atmospheric pressure

E. any pressure

1040. The sense of Coriolis component is such that it_________________?
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A. leads the sliding velocity vector by 180

B. leads the sliding velocity vector by 90

C. is along the sliding velocity vector

D. none of the above

E. lags the sliding velocity vector by 90

1041. The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line________________?
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A. perpendicular to line as per A.

B. joining the corresponding points

C. none of the above

D. not possible to determine with these data

E. at 45 to line as per A.

1042. Angle of ascent of cam is defined as the angle___________________?
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A. moved by the cam from the instant the follower begins to rise, till it reaches its highest position

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

C. during which the follower returns to its initial position

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

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

1043. In a shaper mechanism, the Coriolis component of acceleration will_______________?
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A. not exist

B. unpredictable

C. depend on position of crank

D. exist

E. none of the above

1044. Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
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A. specific heat at constant pressure

B. ratio of two specific heats

C. specific heat at constant volume

D. unity.

E. gas constant
1045. The value of n = 1 in the poly tropic process indicates it to be __________________?
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A. reversible process

B. adiabatic process

C. isothermal process

D. irreversible process

E. free expansion process

1046. Stress concentration in static loading is more serious in__________________?
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A. ductile materials

B. brittle materials

C. equally serious in both cases

D. depends on other factors

E. unpredictable

1047. The following cycle is used for air craft refrigeration___________________?
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A. Bell-Coleman cycle

B. Reversed-Brayton cycle

C. Brayton cycle

D. Joule cycle

E. Carnot cycle

1048. No liquid can exist as liquid at____________________?
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A. centre of earth

B. in space

C. zero pressure

D. vacuum

E. 273 K

1049. Kleins construction can be used when_________________?
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A. crank has uniform angular velocity and angular acceleration

B. there is no such criterion

C. crank has a uniform angular velocity

D. crank has uniform angular acceleration

E. crank has non-uniform velocity

1050. According to which law, all perfect gases change in volume by l/273th of their original volume at 0C for every 1C change in temperature when pressure remains constant ____________________?
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A. Regnaults law

B. Boyles law

C. Joules law

D. Gay-Lussac law

E. Charles law