a) i.s.f.c.=\(\frac{60 I.P.}{Wf} \) b) i.s.f.c.=\(\frac{60 Wf}{I.P.} \) c) i.s.f.c.=\(\frac{120 Wf}{I.P.} \) d) i.s.f.c.=\(\frac{120 I.P.}{Wf} ...
View QuestionWhat is value of ‘n’, if there is no missing cycle, in brake power when it is applied as double acting, two stroke engines?
a) 2N b) N c) N/2 d) 4N Answer: a Explanation: Brake power is the actual ...
View QuestionWhat is the formula for indicated mean effective pressure?
a) Pi = \(\frac{(Area \, of \, indicator \, diagram)}{Length \, of \, indicator \, diagram \, ...
View QuestionWhat is the Carnot efficiency for a coal–fired power plant?
a) 65% b) 74% c) 56% d) 90% Answer: c Explanation: In modern day coal fire ...
View QuestionWhat is the Carnot Cycle Efficiency?
a) η = 1- QC/QH b) η = QC/QH c) η = QC/QH -1 d) η = QH/QC
View QuestionWhat is the co-efficient of friction for lubricant?
a) Cf = \(\frac{ZN}{P} \) b) Cf = \(\frac{PN}{Z} \) c) Cf = \(\frac{ZP}{N} \)
View QuestionWhich of the following is not a feature of the spark plug?
a) Varies from 0.5 to 0.85 mm b) Used in cold engines c) Dissipates the heat very quickly, ...
View QuestionWhat is the basic reaction in the battery of the ignition system?
a) PbO5 + Pb + 4H2SO4 = 4PbSO2 + 4H20 b) 2PbO2 + 2H2SO4 = 2PbO + 2SO4 ...
View QuestionRelative efficiency is the ratio of _________
a) \(\frac{actual \, thermal \, efficiency}{mechanical \, efficiency} \) b) \(\frac{actual \, thermal \, efficiency}{air-standard \, efficiency} ...
View QuestionWhich of these is not an external combustion engine?
a) Beam engines b) Steam engines c) Stirling engines d) Diesel engines Answer: d Explanation: In ...
View Question