Test Your Knowledge - Free MCQ PRACTICE
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DRIVINGTEST
A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. Which among the following is a forging defect, which occours during the upsetting process when faces of the stock become square?
A. Buckling of stock
B. Folds
C. Surface and internal cracks
D. None of these

2. By which unit the roughness value is expressed for grinding
A. ?
B. ?n
C. ?bs
D. ?t

3. Cast iron contains two elements, which make it difficult to cut it by gas cutting. What are these elements?
A. Sulphur and phosphorous
B. Silicon and graphite
C. Graphite and phosphorous
D. Silicon and sulphur

4. Which one of the following processes is used for hardening the surface of tool steel ?
A. Carburizing
B. Cyaniding
C. Induction hardening
D. Hardening

5. Cast iron is used for manufacturing machine beds because
A. it can resist more compressive stress
B. it is heavy in weight
C. it is a cheaper metal
D. it is a brittle metal

6. Which type of fire extinguisher is used in a welding shop?
A. Foam type extinguisher
B. Dry powder extinguisher
C. CO2 extinguisher
D. Halon extinguisher

7. Which of the following is used as Heat exchange radiators?
A. Brass
B. Bronze
C. Duralumin
D. Phosphor bronze

8. Crane hooks are made of
A. Wrought iron
B. High carbon steel
C. Cast steel
D. Cast iron

9. The depth of infeed per pass in dressing a grinding wheel should be not more than
A. 0.25 mm
B. 0.025 mm
C. 0.0025 mm
D. 0.00025 mm

10. A shaft of 50 mm has to be rough turned to 0 42 mm in one pass. When will you check to ensure the set depth of cut is correct ?
A. After the tool traveled the full length
B. After the tool traveled half way
C. Just after the cut is taken at the tailstock end -
D. After the tool has traveled a distance more than the angular shoulder

11. A brass shaft is to be finish turned to a surface roughness Ra = 0.8, with high cutting speed. Which one of the following cutting tool materials is suitable for this purpose?
A. H.S.S.
B. High carbon steel
C. Low alloy steel
D. Cemented carbide

12. In case of an accident, the victim should immediately be
A. asked to take rest
B. enquired about the accident
C. attended to immediately
D. left to himself without treatment

13. A solid forged boring tool is made of
A. H.S.S.
B. Tungsten carbide
C. Stellite
D. Cast iron

14. While threading on lathe, the carriage is moved by means of
A. Lead screw
B. Hand wheel
C. Feed rod
D. Gear train on a rack

15. After heating upto required hardening temperature, why must tool steels be quenched ?
A. To induce internal stresses
B. To build up hardening structure
C. To fall off the scale
D. To return it to its original structure

16. Short reamer with an axial hole used with an arbor or mandrel is called
A. parallel reamer
B. adjustable reamer
C. expansion reamer
D. chucking reamer

17. Jaws in this type of wrenchopen parallel with the help of a screw thus proving suitable for all sizes of nuts :
A. Pipe wrenches
B. Monkey wrenches
C. Socket wrenches
D. Allen wrenches

18. Lip clearance angle of twist drill for general purpose should be
A. 3 to 5
B. 4 to 8
C. 8 to 12
D. 12 to 15

19. In its simplest form, bronze is an alloy of which metals?
A. Copper and tin
B. Copper and zinc
C. Copper, zinc and nickel
D. Copper, tin and lead

20. In a gap bed lathe, the gap is provided
A. Just below the nose of the headstock spindle
B. Just below the spindle of the tailstock
C. In the middle of the bed
D. Anywhere in the bed

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