Mock Test: SSC JE (ME)- 12 - Mechanical Engineering MCQ
30 Questions MCQ Test - Mock Test: SSC JE (ME)- 12
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Which of the following conditions are favourable for liquefaction of a gas?
The work done in a reversible adiabatic process from state 1 to states 2 is given by
The Characteristic equation of gases PV = nRT holds good for
In thermodynamics analysis, a pure substance is that which
The measurement of a thermodynamic property known as temperature is based on
The behaviour of super heated vapour is similar to that of
The processes occurring in open system which permit the transfer of mass to and from the system, are known as
A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called
Which is usually the costliest item in a refrigeration system ?
An external gear with 60 teeth meshes with a pinion of 20 teeth, module being 6 mm. What is the centre distance in mm ?
Main advantage of a two- stroke engine over four-stroke engine is
Compression ratio in case of CI engine is in the range of
For an Otto cycle, the increase in compression ratio leads to
In thermal power plants, the dearator is used mainly to
Which device is used in thermal power plants to reduce level of pollution?
Which one of the following is NOT and accessory for the boiler ?
Match List-I (Type of boiler) with List-II (Features) select the correct answer using the
codes given below the lists:
List-I
a. Benson
b. Stirling
c. Babcock-Wilcox
d. Cochran
List-II
1. Vertical fire tube
2. Horizontal fire tube
3. Bent water tube
4. Once through flow
5. Inclined water tube
In parson's turbine ifa is nozzle angle, then what is the maximum efficiency of the turbine
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