AUTOMOBILE ENGINEERING MCQ SECTION 21

201. The Hydroelectric power-station on river Tapi in Gujarat is

(A) Ukai

(B) Dhuvaran

(C) Panam

(D) Kadana

Answer: - Ukai

202. The unit of length in S.I. units is

(A) meter

(B) centimeter

(C) kilometer

(D) millimeter

Answer: - meter

204. A closed system is one in which

(A) mass does not cross boundaries of the system, though energy may do so

(B) mass crosses the boundary but not the energy

(C) neither mass nor energy crosses the boundaries of the system

(D) both energy and mass cross the boundaries of the system

Answer: - mass does not cross boundaries of the system, though energy may do so

205. According to first law of thermodynamics

(A) work done by a system is equal to heat transferred by the system

(B) total internal energy of a system during a process remains constant

(C) internal energy, enthalpy and entropy during a process remain constant

(D) total energy of a system remains constant

Answer: - total energy of a system remains constant

206. Thermal power plant works on

(A) Carnot cycle

(B) Joule cycle

(C) Rankine cycle

(D) Otto cycle

Answer: - Rankine cycle

207. In Gujarat ______ power station uses natural gas to produce electricity.

(A) Ukai

(B) Dhuvaran

(C) Tarapur

(D) Sardar Sarovar

Answer: - Dhuvaran

208. Governor is used in automobile to

(A) decrease the variation of speed

(B) to control energy

(C) to control speed

(D) all of the above

Answer: - to control speed

209. India exploded first underground nuclear device at

(A) Kota

(B) Ranchi

(C) Jaipur

(D) Pokhran

Answer: - Pokhran

210. Rotameter is a device used to measure

(A) absolute pressure

(B) velocity of fluid

(C) flow

(D) rotation

Answer: - Flow