Ajneesh
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Jul 7, 2022
(a) 19.1 kJ (b) 12.5 kJ (c) 25 kJ (d) Zero Ans. a (10)
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Jul 7, 2022
(a) 19.1 kJ (b) 12.5...
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Jul 7, 2022
at constant pressure 2.1 x 105N/m2 , there was an increase in its volume equal to 2.5 x 10-3 m3....
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Jul 7, 2022
(a) Zeroth law of thermodynamics (b) First law of thermodynamics (c) Second law of thermodynamics (d) Newton’s law of cooling...
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Jul 7, 2022
to that at constant volume is γ, the change in internal energy of a mass of gas, when the volume...
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Jul 7, 2022
(a) Its temperature will increase (b) Its temperature will decrease (c) Its temperature will remain constant (d) None of these...
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Jul 7, 2022
(a) Increases by 600 J (b) Decreases by 800 J (c) Increases by 800 J (d) Decreases by 50 J...
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Jul 7, 2022
(a) Kinetic energy only (b) Kinetic and potential energy (c) Potential energy (d) None of these Ans. a (5)
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Jul 7, 2022
(a) P (b) T (c) V (d) R Ans. d (10)
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Jul 7, 2022
(a) Enthalpy (b) Work done (c) Gibb’s energy (d) Internal energy Ans. b (13)
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Jul 7, 2022
(a) 150 J (b) 70 J (c) 110 J (d) 40 J Ans. b (6)
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Jul 7, 2022
1m3 is divided into two equal compartments by a partition. One of these compartments contains an ideal gas at 300...
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Jul 7, 2022
Δw when an amount of heat is ΔQ added to the system, the corresponding change in the internal energy is...
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Jul 7, 2022
(a) 7900 J (b) 8200 J (c) 5600 J (d) 6400 J Ans. a (7)
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Jul 7, 2022
of one atmosphere from 00c to 1000c . Then the change in the internal energy is (a) 6.56 joules (b)...
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Jul 7, 2022
(a) Newton’s law (b) Law of conservation of energy (c) Charle’s law (d) Law of heat exchange Ans. b (6)
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Jul 7, 2022
(a) Temperature (b) Energy (c) Work (d) None of these Ans. a (11)
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Jul 7, 2022
(a) 30 J (b) 20 J (c) 60 J ...
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Jul 7, 2022
(a) The internal energy changes in all processes (b) Internal energy and entropy are state functions (c) The change in...
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Jul 7, 2022
(a) Volume (b) Temperature (c) Pressure (d) Work Ans. d (6)
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Jul 7, 2022
is Cp=3.4 x 103 cal/kg 0c and at constant volume is Cv= 2.4 x103 cal/kg 0c. If one kilogram hydrogen...
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Jul 7, 2022
(a) The temperature will decrease (b) The volume will increase (c) The pressure will remain constant (d) The temperature will...
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Jul 7, 2022
(a) Pressure and volume (b) Volume and temperature (c) Temperature and pressure (d) Any one of pressure, volume or temperature...
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Jul 7, 2022
(a) Q=W=0 and ΔEint =0 (b) Q=0,W>0 and ΔEint =-W (c) W=0,Q>0, and ΔEint = Q (d) W>0,Q<0 ...
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Jul 7, 2022
(a) ΔQ= ΔU + ΔW (b) ΔQ= ΔU – ΔW (c) ΔQ= ΔW-ΔU ...
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Jul 7, 2022
(a) 260 J (b) 150 J (c) 110 J (d) 40 J Ans. d (11)
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Jul 7, 2022
(a) 260 J (b) 150 J (c) 110 J (d) 40 J Ans. d (10)
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Jul 7, 2022
(a) Remains constant (b) Becomes zero (c) Increases (d) Decreases Ans. a (11)
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Jul 7, 2022
(a) 100 J (b) 300 J (c) 419 J (d) 24 J Ans. b (8)
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Jul 7, 2022
(a) System can do work (b) System has temperature (c) System has pressure (d) Heat is a form of energy...
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Jul 7, 2022
(a) 166 cal (b) 333 cal (c) 500 cal (d) 400 cal Ans. c (6)
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Jul 7, 2022
(a) Specific volume (b) Pressure (c) Temperature (d) Density Ans. c (13)
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Jul 7, 2022
(a) 100 R (b) 150 R (c) 300 R (d) 500 R Ans. c (10)
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Jul 7, 2022
(a) Initial state only (b) Final state only (c) Both initial and final states only (d) Initial state, final state...
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Jul 7, 2022
(a) 654 Joule (b) 156.5 Joule (c) – 300 Joule (d) – 528.2 Joule Ans. a (9)
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Jul 7, 2022
(i) P1 , V to 2P1 , V (ii) P1, V to P, 2V. Then work done in the two...
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Jul 7, 2022
(a) -50 joules (b) 20 joules (c) 30 joules (d) 50 joules Ans. d (10)
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Jul 7, 2022
(a) Momentum (b) Energy (c) Mass (d) Temperature Ans. b (6)