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Online Practice of Mechanical Tests

Welcome to the page of Mechanical Tests which are basically used to measure Mechanical Aptitude of the students.

Mechanical Aptitude tests are very helpful for the preparation of Officers tests in Army, Navy and PAF, particularly in ISSB.

These tests are also helpful for different commissioning tests in Pak Army and in Pak Navy which have been designed to develop mechanical skills through the given mechanical testing.

Moreover, mechanical aptitude practice tests increase your Intelligence Tests, Academic Tests & Interview questions with the whole procedure. For the preparation of all tests, Click Here and for notes Click Here. Further detail may be taken at any time. Contact us for more detail.

Mechanical Tests for Mechanical Inclinations

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Mechanical Engineering Quiz

In multistage compression outer temperature is reduced ;-

True

False

Overall efficiency of gas turbine plant is lower than that of reciprocating engine ;-

True

False

The inlet valve of a four stroke cycle internal combustion engine remains open for :-

180 degree

130 degree

230 degree

Which discipline provide study of inertia forces rising from the combined effect of mss and motion of the :-

Theory of machine

Kinetics

applied machines

If two equal vector forces are mutually perpendicular, then the resultant force is acting at

which angle as compared to one of the vector?

0 degree

90 degree

45 degree

180 degree

Stalling of blades in axial flow compressor is the phenomenon of :-

air stream blocking the passage

Production of no air pressure

air stream not able to flow to blade contour

A single force and a couple acting in the same plane upon a rigid body ;-

Can not Balance each other '

Balance each other '

are equivalent

Which material property refers to the ability of a material to be stretched into wires without breaking :-

Ductility

Hardness

Brittleness

In the air base method of measuring air flow,, the air base is provided to ;-

Dump out the pulsation

have a constant flow

Have a constant temperature

The direction of linear velocity of any point on a link with respect to another point on the same links is ___________ to the links joining the points:-

Perpendiculer

Parallel

None of them

The amount of radiations mainly depends on ;-

Nature of body

Type of surface of body

Temperature of body

all of them

A couple can not be balanced by a single force :-

True

False

According to Bernoulli's principle , as the velocity of a fluid increase its ;-

Pressure decrease

Density decrease

Pressure increase

The ratio of indicated thermal efficiency to the air std cycle efficiency is called :-

not efficiency

Relative efficiency

efficiency ratio

One ton of refrigeration is equal to ;-

120 B Th U/hr

200 B Th U/hr

12000 B Th U/hr

The critical speed of a shaft depends upon its :-

Mass

Stiffness

Both a, b

The ratio of the energy absorbed by the body to total energy falling on it is called ;-

Absorptivity

Emissive power

Absorptive power

Forces are called coplanar when all of them acting on body lie in ;--

Different planes

One plane

One point

The maximum propulsive efficiency of a turbojet engine is at a speed of ;-

1000 km/h

2000 km/h

2400 km/h

The knocking tendency in compression ignition engines for a given fuel will be :-

None of them

Enhanced by decreasing compression ratio

Dependent on other factors

Tensile strength of alloy steel can be improved by adding ______

Manganese

Vanadium

Titanium

Nickel

Centrifugal pump discharge a diameter ;-

True

False

A fluid which obeys the Newton's law of viscosity is termed as :-

newtonian fluid

Ideal fluid

Real fluid

The function of anti lock brake system is that it maintains directional control during braking by preventing the wheels from locking:-

True

False

Reciprocating air compressor is best suited for ________ quantity of air at high pressure ;-

Large

Moderate

Small

Your score is

Purpose of Mechanical Tests in Initial Tests of Forces

Mechanical Tests are also useful in ISSB initial tests which basically define about attitude towards certain trends that you have. If you will show good aptitude in mechanical tests then you will be alloted best field in the future.