Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

A compressor at high altitude will draw________________?

A more power

B less power

C same power

D more/less power depending on other factors

Review Detailed Answer

Correct Answer: less power

A centrifugal compressor works on the principle of__________________?

A conversion of pressure energy into kinetic energy

B conversion of kinetic energy into pres¬sure energy

C centripetal action

D generating pressure directly

Review Detailed Answer

Correct Answer: conversion of kinetic energy into pres¬sure energy

The compressor performance at higher altitude compared to sea level will be _______________?

A same

B higher

C lower

D dependent on other factors

Review Detailed Answer

Correct Answer: lower

During peak load periods, the best method of controlling compressors is___________________?

A start-stop motor

B constant speed unloader

C relief valve

D variable speed

Review Detailed Answer

Correct Answer: constant speed unloader

An air compressor may be controlled by____________________?

A throttle control B. clearance control

C blow-off control

D any one of the above

Review Detailed Answer

Correct Answer: any one of the above

Separators in compressor installations are located_____________________?

A before intercooler

B after intercooler

C after receiver

D between after-cooler and air receiver

Review Detailed Answer

Correct Answer: between after-cooler and air receiver

Mining industry usually employs following motive power___________________?

A A.C. electric motor

B compressed air

C petrol engine

D diesel engine

Review Detailed Answer

Correct Answer: compressed air

In multistage compressor, the isothermal compression is achieved by_________________?

A employing intercooler

B by constantly cooling the cylinder

C by running compressor at very slow speed

D by insulating the cylinder

Review Detailed Answer

Correct Answer: by running compressor at very slow speed

The capacity of compressor will be highest when its intake temperature is___________________?

A lowest

B highest

C anything.

D atmospheric

Review Detailed Answer

Correct Answer: atmospheric

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

A compressor at high altitude will draw________________?

A centrifugal compressor works on the principle of__________________?

The compressor performance at higher altitude compared to sea level will be _______________?

During peak load periods, the best method of controlling compressors is___________________?

An air compressor may be controlled by____________________?

Separators in compressor installations are located_____________________?

Mining industry usually employs following motive power___________________?

In multistage compressor, the isothermal compression is achieved by_________________?

The capacity of compressor will be highest when its intake temperature is___________________?