| 1 |
The type of hydrometer which is used to measure the concentration of acid in a battery is called: |
- A. Chemical meter
- B. Acid meter
- C. Barometer
- D. pH meter
|
| 2 |
Rolling friction is___________ then sliding friction : |
- A. Greter
- B. Less
- C. Some
- D. Half
|
| 3 |
In screw gauge if zero of circular scale is behind the index line is called error. |
- A. Positive
- B. Zero
- C. Negative
- D. None of these
|
| 4 |
Degree of hotness or coldness measures the body: |
- A. Heat
- B. Temperature
- C. Energy
- D. Thermal
|
| 5 |
If the applied force is 'F' and its moment arm is 'r' then torque is defined as |
- A. τ = rF
- B. τ = r2F
- C. τ = r + F
- D. τ = 2rF
|
| 6 |
The velocity and acceleration of the body moving with uniform speed in a circular path will be: |
- A. In same direction
- B. In opposite direction
- C. Mutually perpendicular
- D. Equal
|
| 7 |
Rooms are heated using gas heaters by |
- A. Conduction only
- B. Convection and radiation
- C. Radiation only
- D. Convection only
|
| 8 |
In atoms and molecules are packed closely together: |
- A. Solids
- B. Gas
- C. Liquid
- D. Plasma
|
| 9 |
Liquid pressure at depth h is: |
- A. p/gh
- B. h/pg
- C. pgh
- D. i/pgh
|
| 10 |
The unit of stress is: |
- A. Newton
- B. Pascal
- C. Nm<sup>-2</sup>
- D. m<sup>3</sup>
|