Rajasthan Technical Education Second Year Paper 2016 – Thermodynamics and I.C. Engines

Rajasthan Technical Education Second Year Paper 2016 – Thermodynamics and I.C. Engines

A closed system is one in which
(a) Mass croses the boundary but not the heat
(b) Heat crosses the boundary but not the mass
(c) Both mass and heat cross the boundary
(d) Neither heat nor mass crosses the boundary

Characteristic equation of a perfect gas is
(a) PV=mRT
(b) PV=nRT
(c) PV=jRT
(d) PV=CRT

Intensive property of a system is one whose value
(a) depends on the mass of the system
(b) does not depends on the mass of the system
(c) depneds on the intensity of property
(d) nothing can be said

Which law states that the internal energy of a gas is a function of temperature?
(a) Charles law
(b) Boyles law
(c) Joules law
(d) Dalton law

Find the mass of a gas whose pressure is 4 bar temperature is 127 degree Celcius and volume is 2.87 cubic meter. If characteristic gas constant R=0.287 kJ/KgK.
(a) 1 kg
(b) 10 kg
(c) 100 kg
(d) 0.1 kg

Work done during free expansion is
(a) Positive
(b) Negative
(c) Zero
(d) Multiple

Entropy change depends on
(a) Mass transfer
(b) Thermodynamic path
(c) Change in temperature
(d) Heat transfer

Whcih law is also called energy conservation law ?
(a) Zeroth law of thermodynamics
(b) First law of thermodynamics
(c) Second law of thermodynamics
(d) Newton’s law of thermodynamics

Otto cycle consists of following four processes
(a) Two Isentropic and two constant volume
(b) Two Isothermal and two Isentropic
(c) Two Isentropic and two constant pressure
(d) Two Isentropic, one constant volume and one constant pressure

Latent Heat of evaporation for steam
(a) increases with increase in pressure
(b) depends upon volume of steam
(c) remains constant with pressure change
(d) decreases with increase in pressure

A vertical line on the mollier chart shows
(a) constant entropy process
(b) constant temperature process
(c) constant pressure process
(d) constant volume process

Which is worng characteristic regarding high pressure boilers ?
(a) Use of forced circulation of water
(b) Steam generation above critical pressure
(c) Use of higher diameter tubes
(d) Use of supersonic velocity for gases