Gas turbine used in aircraft is of
A.open cycle type
B.closed cycle type with reheating
C.closed cycle type with reheating and regeneration and intercooling
D.open cycle type with reheating, regeneration and intercooling
Category: Mechanical Engineering Mcqs
A number of forces acting at a point will be in equilibrium if
A.Sum of the forces is zero
B.Algebraic sum of the forces is zero
C.Sum of the resolved parts in any two perpendicular directions are both zero
D.None of the above
Odometer is
A.An instrument which indicates the condition of the battery
B.An instrument used for measurement of fuel consumption
C.An instrument for BHP measurement
D.An instrument for distance measurement
E.An instrument for smoke analysis
Lowest value of joint efficiency is assumed in case of
A.Single riveted butt joints
B.Double riveted butt joints
C.Single riveted lap joints
D.Double riveted lap joints
E.None of the above
Delta iron occurs at temperature in the range of
A.Room temperature to 600?C
B.600?C to critical temperature
C.Between 800?C and 1200?C
D.Between 1400?C and 1530?C
E.None of the above
A sheet metal 2 mm thick having a shear strength of 40 kg/cm2 is to receive a punch hole of 35 mm diameter. The force required to make the punching will be
A.17,600 kg
B.12,540 kg
C.88 kg
D.4400 kg
E.2200 kg
In a four stroke SI engine the inlet valve opens
A.at TDC and closes at BDC
B.10? before TDC and closes 10? after BDC
C.10? before TDC and closes 10? after BDC
D.10? before TDC and closes 50? after BDC
The incentive plan which awards bonus to worker on the basis of time save in addition to certain base rate is
A.Halsey plan
B.Rowan plan
C.Emerson plan
D.none of the above
Volume of air required to melt one ton of cast iron in a cupola at N.T.P. is roughly
A.10 cubic metres of air
B.100 cubic metres of air
C.1000 cubic metres of air
D.10000 cubic metres of air
E.100000 cubic metres of air
LPG mainly consists of
A.Methane and ethane
B.Propane and butane
C.Petrol and diesel
D.Hexane and butadiene
