# Advanced Level Physics Trivia Quiz!

30 Questions | Total Attempts: 232  Settings  .

• 1.
Starting friction is low in:
• A.

Hydrostatic lubrication

• B.

Hydrodynamic lubrication

• C.

Mixed or semi fluid lubrication

• D.

Boundary lubrication

• 2.
Which of the following would not increase the rate of heat transferred from a heater pipe?
• A.

Insulating with materials whose thickness is below that of critical thickness for insulation.

• B.

Blowing air over it

• C.

Providing fins

• D.

Placing the heater pipe within another whose thermal conductivity is smaller in number and 2 inches thick

• 3.
• A.

Exhaust smoke can be reduced

• B.

Knocking can be completely suppressed

• C.

Octane number above 100 can be obtained

• D.

Specific fuel consumption can be reduced

• 4.
Which of the following is psychrometric process?
• A.

A) Humidification

• B.

B) Dehumidification

• C.

C) Sensible heating

• D.

D) All of the above

• 5.
Process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface is known as:
• A.

Extrusion

• B.

Pircing

• C.

Cold peening

• D.

Up Setting

• 6.
The stress produced by a suddenly applied load as compared to that produced by the same load when applied gradually is:
• A.

1.5 times

• B.

2 times

• C.

3 times

• D.

4 times

• 7.
A line of thrust of a parabolic arch is:
• A.

Funicular Polygon

• B.

Parabolic

• C.

Triangular

• D.

Circular

• 8.
If the angularity number of an aggregate is increased then the workability of the concrete will:
• A.

Increase

• B.

Decrease

• C.

No Change

• D.

None of these

• 9.
If the column has machined end then the connection between the splice and column is designed to carry:
• A.

25% axial load and any tension

• B.

50% axial load and any tension

• C.

Only tension

• D.

25% axial load and 75% tension

• 10.
The depth of capillary fringe in a soil mass having void ratio = 0.70 and effective size of the soil grain D10= 0.1 mm will be:
• A.

34.5 cm

• B.

24.6 cm

• C.

38.1 cm

• D.

None of these

• 11.
A streamlined body is defined as a body about which:
• A.

The flow is laminar

• B.

The flow is along the stream lines

• C.

The flow separation is suppressed

• D.

The drag is zero

• 12.
If the area of catchment is 567 km2, then what will be the base width of 3h unit hydrograph, assuming it to be of triangular shape?
• A.

78 hrs

• B.

63 hrs

• C.

82 hrs

• D.

52 hrs

• 13.
If the self purification constant of a large stream flowing with low velocity is 2 and its reoxygenation coefficient is 0.2, then its de oxygenation coefficient will be:
• A.

0.22

• B.

0.10

• C.

0.18

• D.

0.4

• 14.
Graph between the amount of organic matter left in sewage, and time elapsed in days, is:
• A.

Linear

• B.

Parallel to time axis

• C.

Exponential

• D.

None of these

• 15.
Reflection cracking is observed in:
• A.

Flexible pavement

• B.

Rigid pavement

• C.

Rigid overlay over flexible pavement

• D.

Bituminous overlay over cement concrete pavement

• 16.
A copper atom is neutral. It's core has a net charge of:
• A.

0

• B.

+1

• C.

-1

• D.

+2

• 17.
As the temperature of semiconductor is increased:
• A.

The average number of free charge carriers decreases

• B.

The average number of free charge carriers increases

• C.

The average number of free charge carriers remains the same

• D.

The average number of free charge carriers may increase or decreases

• 18.
Which of these has the lowest dielectric strength?
• A.

Dry air

• B.

Wet air

• C.

Cotton

• D.

Paper

• 19.
In satellite communication, frequency modulation is used because satellite channel has:
• A.

Small bandwidth and negligible noise

• B.

Large bandwidth and severe noise

• C.

Maximum bandwidth and minimum noise

• D.

High modulation index

• 20.
In communication satellites, the up-link normally operates at a higher frequency than the down-link because it:
• A.

Gives a narrow beam shining into space

• B.

Results in lesser signal attenuation

• C.

Gives better beam-shaping

• D.

Is easier to polarize a high frequency beam

• 21.
A transitive dependency is which of the following?
• A.

A functional dependency between two or more key attributes.

• B.

A functional dependency between two or more nonkey attributes

• C.

A relation that is in first normal form

• D.

A relation that is in second normal form.

• 22.
Backward recovery is which of the following?
• A.

Where the before-images are applied to the database

• B.

Where the after-images are applied to the database

• C.

Where the after-images and before-images are applied to the database

• D.

Switching to an existing copy of the database

• 23.
Concurrency control is important for which of the following reasons?
• A.

To ensure data integrity when updates occur to the database in a multiuser environment

• B.

To ensure data integrity when updates occur to the database in a single-user environment

• C.

To ensure data integrity while reading data occurs to the database in a multiuser environment

• D.

To ensure data integrity while reading data occurs to the database in a single-user environment

• 24.
Which of the following refers to associative memory?
• A.

The address of the data is generated by the CPU

• B.

The address of the data is supplied by the users

• C.

There is no need for an address i.e. the data is used as an address

• D.

The data are accessed sequentially

• E.

None of the above

• 25.
A system program that combines the separately compiled modules of a program into a form suitable for execution.
• A.

Assembler

• B.

• C.

Cross compiler

• D. Back to top