Explore topic-wise MCQs in Farm Machinery.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Farm Machinery knowledge and support exam preparation. Choose a topic below to get started.

1.

In magnetic ignition system, the primary current is produced by __________

A. battery
B. magnet
C. electrical current
D. ice
Answer» C. electrical current
2.

Preignition can be caused due to presence of ______

A. excess lubricants in cylinder
B. gum in fuel
C. over-heated spark plug
D. higher volume of air in air fuel mixture
Answer» D. higher volume of air in air fuel mixture
3.

Horse power of engines varies with ___________

A. air fuel ratio
B. amount of fuel in air fuel mixture
C. amount of air in air fuel mixture
D. engine speed
Answer» B. amount of fuel in air fuel mixture
4.

The lowest speed of engine at which the engine runs smoothly is called ________

A. at least speed
B. threshold speed
C. minimum speed
D. idling speed
Answer» E.
5.

Maximum economy of engine, is obtained at the air fuel ratio of _________

A. 13.5:1 to 15:1
B. 13.5:1 to 15:1
C. 8:1 to 15:1
D. 7:1 to 10:1
Answer» B. 13.5:1 to 15:1
6.

Electrolyte used in storage battery consists of _________

A. 25% H<sub>2</sub>SO<sub>4</sub> and 75% distilled water
B. 5% H<sub>2</sub>SO<sub>4</sub> and 95% distilled water
C. 35% H<sub>2</sub>SO<sub>4</sub> and 65% distilled water
D. 45% H<sub>2</sub>SO<sub>4</sub> and 55% distilled water
Answer» D. 45% H<sub>2</sub>SO<sub>4</sub> and 55% distilled water
7.

What is the range of a condenser in an I.C. engine?

A. 0.15-0.45 F
B. 0.15-0.45 F
C. 0.15-0.45 F
D. 0.15-0.45 F
Answer» B. 0.15-0.45 F
8.

What should be the gap of spark plug?

A. 1.2-1.53 mm
B. 2.5-2.85 mm
C. 0.5-0.85 mm
D. 3.15-3.45 mm
Answer» C. 0.5-0.85 mm
9.

Which of the following has highest vaporizing temperature?

A. H.S.D. oil
B. Petrol
C. Water
D. Kerosene
Answer» B. Petrol
10.

The primary winding of ignition coil is made of ________

A. 1 mm diameter copper wire
B. 0.8 mm diameter copper wire
C. 0.6 mm diameter copper wire
D. 1.2 mm diameter copper wire
Answer» C. 0.6 mm diameter copper wire