Freezing point of water at Fahrenheit Scale is?

A. 0 °f
B. 212 °f
C. 32 °f
D. -32 °f

According to the theory of relativity, which of the following always remains constant ?

A. Length of an object
B. Time
C. Space
D. Velocity of light

Atomic power plant works on the principle of?

A. Fission
B. Fusion
C. Thermal combustion
D. Combined effect of all the above three

Which of the following is an example for cantilever beam?

A. Diving board
B. Bridge
C. See-saw
D. Common balance

The electronic device which is used as a switch or amplifier is called ?

A. Diode
B. Resistor
C. Transistor
D. Transformer

Which of the following principleis used to produce ‘low-temperatures’ ?

A. Super conductivity
B. Joule-kelvin effect
C. Thermo-electric effect
D. Adiabatic demagneti-sation

What is meant by intermediate goods and services?

A. The same as capital goods, such as plants, buildings, vehicles, and machinery.
B. Products which one firm buys off another and then uses up in its own products.
C.  all inputs bought by firms, including labor and raw materials.
D. Imports.

In which of the following processes is energy released ?

A. Respiration
B. Photosynthesis
C. Ingestion
D. Absorption

Heat transfer horizontally within the atmosphere is called?

A. Conduction
B. Convection
C. Absorption
D. Advection

How many kgs are in one ton?

A. 707
B. 907
C. 807
D. 607