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. MGNREGA provides legal guarantee for employment at minimum wages to adult members of a household in a financial year for at least
A. 120 days
B. 90 days
C. 100 days
D. 80 days
2. A metallic alloy consists of 3 metals X, Y & Z and have proportionate weight ratio of 3 :4 : 5. What will be the weight of metal Y if the total weight of alloy is 300 Kg.
A. 75 Kg
B. 125 Kg
C. 75 Kg
D. None of these
3. The web of twist drill, due to repeated grinding causes resistance to feeding while drilling a 12 mm diameter hole, the above effect is reduced by providing?
A. Negative rake of web
B. Thinning of web
C. Less feeding force
D. More feeding force
4. Thread ring gauges are used check external threads. Separate 'Go' and 'No Go' gauging members are provided. Which one of the following screw thread elements is not checked with the ring gauges?
A. Pitch
B. Helix angle
C. Profile
D. Pitch diameter
5. The pattern on the work surface caused by the movement of the cutting tool is called?
A. Waviness
B. Roughness
C. Surface texture
D. Lay
6. There are two types of milling processes based on the direction of cutter rotation and work feed direction in up cut milling?
A. The work is fed in the same direction as the rotation of the cutter
B. Chip removal starts at the thickness part
C. Machine with backlash eliminator is essential
D. The work is fed against direction of the cutter rotation
7. A point to point control system is suitable only for one of the following applications?
A. Milling profile
B. Turning
C. Drilling
D. Grinding
8. Counter boring is done for?
A. Deburring hole ends
B. Enlarging holes to accurate size
C. Finishing cored holes
D. Accommodating socket head screws
9. Which one of the following thread forms is provided in the threaded parts where the pressure acts on one flank of the threads during transmission?
A. V thread
B. Square thread
C. Knuckle thread
D. Buttress thread
10. Which one of the following operations can be done on slotting machine?
A. External keyway on long shaft
B. Internal grooves
C. Woodruff keyway on a shaft
D. Keyway for feather keys
11. Which one of the following groups of properties enables the manufacture of chain hooks from wrought iron?
A. Ductillity, malleability and hardness
B. Hardness, toughness and ductility
C. Malleability, ductility and toughness
D. Hardness, toughness and brittleness
12. One solder is made of 45% of tin & 55% of lead, what will be the quantity of tin & lead in 28 kg of solder:
A. 12 & 16 Kg
B. 15.4 & 12.6 Kg
C. 12.6 & 15.4 Kg
D. 16 & 12 Kg
13. Which one of the following equipments is used in the shop floor for the checking of the form that is being turned?
A. Template
B. Snap gauge
C. Dial test indicator and slip gauges
D. Tool room microscope
14. Indexing head mechanism works with?
A. Rock and gear
B. Worm and worm gear
C. Two helical gear
D. Two bevel gear
15. While grinding and lapping cemented carbide tipped tool with diamond wheels a good flow of coolant should be directed to cover the grinding zone, the coolant suitable is?
A. Soluable oil
B. Mineral oil
C. Sulphurised oil
D. Mixture of paraffin and water
16. Oil grooves are to be cut in brass half bearings. Which one of the following chisels in suitable?
A. Flat chisel
B. Cross chisel
C. Half round nose chisel
D. Web chisel
17. It is required to machine a single start worm of 2 module (m) and 60 mm pitch diameter, the speed ration is 40:1, to what length should the worm be cut?
A. 21 mm
B. 14.6 mm
C. 29.3 mm
D. 33.3 mm
18. In Field Hockey, each team has ____ players on the field at any one time.
A. 9
B. 8
C. 11
D. 12
19. If A : B = 1 : 2 and B : C = 4 : 5 then the ratio between A : B : C will be:
A. 1 : 2 : 4
B. 2 : 4 : 5
C. 3 : 4 : 5
D. 4 : 5 : 6
20. In a planning machine the depth of cut is given by?
A. Adjusting tool slide
B. Rotating the feed screw of the tool holder
C. Moving cross slide
D. Lifting the work piece
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