You Are On Question Answer Bank SET 2006

### 100303. The power of the Engine is calculated by?

Answer: Horse Power (One Horse Power = 746 watt)

### 100306. The unit of atmospheric pressure?

Answer: Bar (One Bar=76cm of Hg)

### 100308. Unit of Electric resistance?

Answer: Ohm What is the use of Barometer?

### 100315. The unit used to measure the depth of the sea is?

Answer: Fathom One fathom = 6 feet

### 100323. What is the use of Ammeter?

Answer: To measure the flow of electric current in a circuit

### 100324. What is the use of Anemometer?

Answer: To measure the force or speed of the wind

### 100325. What is the use of Electroscope?

Answer: To measure the electrostatic charge

### 100326. What is the use of Calorimeter?

Answer: To measure the amount of heat

### 100327. What is the use of Speedometer?

Answer: To indicate the speed of a vehicle

### 100328. What is the use of Fathometer?

Answer: To measure the depth of water (1 fathom = 6 ft)

### 100329. What is the use of Periscope?

Answer: To observe objects of the surface from the submarine

### 100330. What is the purpose of Mariner’s compass?

Answer: To find out the direction of the ship in the sea

### 100331. What is the use of Steroscope?

Answer: To see the photos taken by two cameras placed at two different angles

### 100332. What is the use of Hygrometer?

Answer: To measure the humidity of atmosphere.

### 100335. What is Lactometer?

Answer: device used to measure the relative density of milk to determine its purity

### 100337. What is Pyrometer?

Answer: Used to record high temperature from a great distance

### 100338. What is Hydrophone?

Answer: It is used for recording of sound inside water

### 100339. What is an electric oscillator?

Answer: It converts Direct Current into Alternating Current

### 100340. What is cyclotron?

Answer: It is a device for producing high energy sub-atomic particles

### 100342. What is a nuclear reactor?

Answer: It is the Central component of a nuclear power station; which generates nuclear energy under controlled conditions. What is the use of Microphone?

### 100343. What is a hydrometer?

Answer: It is used for measuring the density of liquids directly.

### 100344. What is venturimeter?

Answer: It is used for measuring flow of liquids

### 100348. Rate of doing work is called?

Answer: Power 1 horse power = 746 watt