TSPSC AMVI Automobile Engineering Paper 2015

Telangana PSC Assistant Motor Vehicle Inspector Automobile Engineering Paper 2015
Date of Exam – 02nd Nov 2015

Four strokes of an IC engine need ______ degrees of Crank rotation
(a) 720
(b) 360
(c) 540
(d) 180

Cetane number of a diesel fuel is measure of its
(a) Volatility
(b) Viscosity
(c) Delay period
(d) Ignition quality

The function of a governor in an automobile is to
(a) Limit the power
(b) Limit the speed of the engine
(c) Effect maximum fuel economy
(d) Maintain constant engine speed

Petrol engine works on
(a) Carnot cycle
(b) Otto cycle
(c) Diesel cycle
(d) Joules cycle

The power available at the Crankshaft for useful works as
(a) indicated power
(b) Friction power
(c) Brake power
(d) Total Power

A square engine
(a) has cylinders arranged in square shape
(b) has 4 cylinders
(c) has cylinder bore equal to stroke length
(d) has 2 cylinders horizontal and 2 cylinders vertical

The frcition that occurs between the layers of oil is called
(a) Greasy friction
(b) Boundary friction
(c) Viscous friction
(d) Solid friction

Correct sequence of Coolant circulation in an IC engine cooling system is
(a) pump-block-head-radiator
(b) pump-radiator-head-block
(c) pump-block-radiator-head
(d) pump-head-radiator-block

Lean air-fuel mixture is required for
(a) Starting
(b) Cruising
(c) Idling
(d) Acceleration

The process in which hydrocarbons are decomposed into smaller hydrocarbons is called
(a) Cracking
(b) Reforming
(c) Evaporation
(d) Isomerisation

The method of govrening used in petrol engines is
(a) qualitative governing
(b) hit and miss governing
(c) combined governing
(d) quantitative governing

Normal heptane
(a) retards auto ignition
(b) accelerates auto ignition
(c) does not effect auto ignition
(d) helps to resist auto ignition

The thermal efficiency of a 2-stroke cycle engine as compared to a four stroke cycle engine is
(a) less
(b) more
(c) same
(d) more upto certain load and then less