Practice Set - 56 Marks - 75
ITI SMART TECHNICAL GROUPING online taiyari
Daily Technical set practice (Fitter,Turner,Mechanist,Machinist Grinder)
On,TELEGRAM Contact Number:- 9262259835
1. The purpose of a riser is to
A.deliver molten metal into the mould cavity
B.act as a reservoir for the molten metal
C.feed the molten metal to the casting in order to compensate for the shrinkage
D.deliver the molten metal from pouring basin to gate
2. The blank diameter used in thread rolling will be
A.equal to minor diameter of the thread
B.equal to pitch diameter of the thread
C.a little larger than the minor diameter of the thread
D.a little larger than the pitch diameter of the thread
3. The cross-section of a chisel is usually
A.rectangular
B.square
C.hexagonal
D.octagonal
4. A plug gauge is used to check the diameter of shafts and studs.
A.Correct
B.Incorrect
5. In back-hand welding, the angle between the welding torch and the work is kept as
A.30°-40°
B.40°-50°
C.50°-60°
D.60°-70°
6. The machining allowance provided on patterns depends upon
A.type of casting metal
B.size and shape of casting
C.method of casting used
D.all of these
7. In submerged arc welding, an arc is produced between a
A.carbon electrode and the work
B.metal electrode and the work
C.bare metal electrode and the work
D.two tungsten electrodes and the work
8. In shielded arc welding
A.large electrode is used
B.welding rod coated with slag is used
C.welding rod coated with fluxing material is used
D.none of the above
9. In a die casting method, the molten metal is forced into mould under high pressure.
A.Correct
B.Incorrect
10. In a centrifugal casting method, the impurities are collected in the centre of the casting.
A.Yes
B.No
11. In a hot chamber die casting machine
A.melting pot is separate from the machine
B.melting pot is an integral part of the machine
C.melting pot may have any location
D.high temperature and pressure is used
12. The electrodes used in spot welding have a tip of
A.stainless steel
B.aluminium
C.copper
D.brass
13. Blanking and piercing operations can be performed simultaneously in a
A.simple die
B.Progressive die
C.compound die
D.combination die
14. A pattern maker's shrinkage rule considers
A.all pattern allowances
B.only shrinkage allowance
C.all materials to be cast
D.all materials of the pattern
15. The tolerance produced by shell moulding process of casting is
A.+0.05 mm
B.±0.2 mm
C.+0.5 mm
D.±1 mm
ITI SMART TECHNICAL GROUPING online taiyari
Daily Technical set practice (Fitter,Turner,Mechanist,Machinist Grinder)
On,TELEGRAM Contact Number:- 9262259835
1. The purpose of a riser is to
A.deliver molten metal into the mould cavity
B.act as a reservoir for the molten metal
C.feed the molten metal to the casting in order to compensate for the shrinkage
D.deliver the molten metal from pouring basin to gate
2. The blank diameter used in thread rolling will be
A.equal to minor diameter of the thread
B.equal to pitch diameter of the thread
C.a little larger than the minor diameter of the thread
D.a little larger than the pitch diameter of the thread
3. The cross-section of a chisel is usually
A.rectangular
B.square
C.hexagonal
D.octagonal
4. A plug gauge is used to check the diameter of shafts and studs.
A.Correct
B.Incorrect
5. In back-hand welding, the angle between the welding torch and the work is kept as
A.30°-40°
B.40°-50°
C.50°-60°
D.60°-70°
6. The machining allowance provided on patterns depends upon
A.type of casting metal
B.size and shape of casting
C.method of casting used
D.all of these
7. In submerged arc welding, an arc is produced between a
A.carbon electrode and the work
B.metal electrode and the work
C.bare metal electrode and the work
D.two tungsten electrodes and the work
8. In shielded arc welding
A.large electrode is used
B.welding rod coated with slag is used
C.welding rod coated with fluxing material is used
D.none of the above
9. In a die casting method, the molten metal is forced into mould under high pressure.
A.Correct
B.Incorrect
10. In a centrifugal casting method, the impurities are collected in the centre of the casting.
A.Yes
B.No
11. In a hot chamber die casting machine
A.melting pot is separate from the machine
B.melting pot is an integral part of the machine
C.melting pot may have any location
D.high temperature and pressure is used
12. The electrodes used in spot welding have a tip of
A.stainless steel
B.aluminium
C.copper
D.brass
13. Blanking and piercing operations can be performed simultaneously in a
A.simple die
B.Progressive die
C.compound die
D.combination die
14. A pattern maker's shrinkage rule considers
A.all pattern allowances
B.only shrinkage allowance
C.all materials to be cast
D.all materials of the pattern
15. The tolerance produced by shell moulding process of casting is
A.+0.05 mm
B.±0.2 mm
C.+0.5 mm
D.±1 mm