Question 1

Cold riveting holds the connected parts better than hot riveting.

Accepted Answer

A) True 
 B)False  False

Question 2

In gas welding which of the following is generally used?

Accepted Answer

A) oxygen-hydrogen 
B) oxygen-acetylene 
C) oxygen-hydrogen or oxygen-acetylene 
D) none of the mentioned 
A) oxygen-hydrogen 
B) oxygen-acetylene 
C) oxygen-hydrogen or oxygen-acetylene 
D) none of the mentioned C

Question 3

Among punching and drilling, which is cheaper?

Accepted Answer

A) punching 
B) drilling 
C) equally expensive 
D) cannot be determined 
A) punching 
B) drilling 
C) equally expensive 
D) cannot be determined A

Question 4

The amount by which the two rods to be joined are drawn together is called as?

Accepted Answer

A) draw 
B) portray 
C) lead 
D) pitch 
A) draw 
B) portray 
C) lead 
D) pitch

Question 5

The principle of wedge action is used in cotter joint.

Accepted Answer

A) True 
 B)False

Question 6

Themit consists of a finely divided mixture of iron oxide and copper.

Accepted Answer

A) True 
 B)False

Question 7

Two steel rods connected by cotter joint are subjected to 50 kN load each. What is the minimum diameter required of the rods? (Given: Yielding Stress= 400N/mm² ; Factor of Safety=6)

Accepted Answer

A) 31mm 
B) 35mm 
C) 36mm 
D) 40mm 
A) 31mm 
B) 35mm 
C) 36mm 
D) 40mm

Question 8

Quality checking of riveted joint is much expensive than that of welded joint.

Accepted Answer

A) True 
 B)False

Question 9

A knuckle joint can be used in valve mechanism of a reciprocating engine.

Accepted Answer

A) yes 
B) no 
C) yes but there are stress probles 
D) no as it is very dangerous to use 
A) yes 
B) no 
C) yes but there are stress probles 
D) no as it is very dangerous to use

Question 10

Cotter joint can be used to connect two rods for torque transmission purpose.

Accepted Answer

A) True 
 B)False

Question 11

In joining steel plate and asbestos, welding is preferred over riveting.

Accepted Answer

A) True 
 B)False

Question 12

67 N/mm².; Spigot dia=65mm; thickness 0f collar=15mm

Accepted Answer

A) 131mm 
B) 139mm 
C) 141mm 
D) 149mm 
A) 131mm 
B) 139mm 
C) 141mm 
D) 149mm

Question 13

The capacity of welded structures to damp vibrations is quite good.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a part of cotter joint?

Accepted Answer

A) socket 
B) spigot 
C) cotter 
D) collar 
A) socket 
B) spigot 
C) cotter 
D) collar

Question 15

A rivet is specified as a 20mm rivet. What does it mean?

Accepted Answer

A) none of the mentioned 
B) shank dia 20mm 
C) head dia 20mm 
D) both head and shank dia 20mm 
A) none of the mentioned 
B) shank dia 20mm 
C) head dia 20mm 
D) both head and shank dia 20mm

Question 16

Which of the following are important parts of knuckle joint?

Accepted Answer

A) eye 
B) pin 
C) fork 
D) each of the mentioned 
A) eye 
B) pin 
C) fork 
D) each of the mentioned

Question 17

Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod.

Accepted Answer

A) 39mm 
B) 44mm 
C) 49mm 
D) 52mm 
A) 39mm 
B) 44mm 
C) 49mm 
D) 52mm

Question 18

Filler material is used in electric resistance welding.

Accepted Answer

A) yes 
B) no filler material used 
C) depends on the type of welding 
D) none of the listed 
A) yes 
B) no filler material used 
C) depends on the type of welding 
D) none of the listed

Question 19

Hard peening is

Accepted Answer

A) hammering the weld across the length while the joint is hot 
B) hammering the weld along the length while the joint is hot 
C) hammering the weld along the length while the joint is cold 
D) hammering the weld across the length while the joint is cold 
A) hammering the weld across the length while the joint is hot 
B) hammering the weld along the length while the joint is hot 
C) hammering the weld along the length while the joint is cold 
D) hammering the weld across the length while the joint is cold

Question 20

Rails in the field are generally welded by using

Accepted Answer

A) thermit welding 
B) gas welding 
C) electric arc welding 
D) forge welding 
A) thermit welding 
B) gas welding 
C) electric arc welding 
D) forge welding

Cold riveting holds the connected parts better than hot riveting.

In gas welding which of the following is generally used?

Among punching and drilling, which is cheaper?

The amount by which the two rods to be joined are drawn together is called as?

The principle of wedge action is used in cotter joint.

Themit consists of a finely divided mixture of iron oxide and copper.

Two steel rods connected by cotter joint are subjected to 50 kN load each. What is the minimum diameter required of the rods? (Given: Yielding Stress= 400N/mm² ; Factor of Safety=6)

Quality checking of riveted joint is much expensive than that of welded joint.

A knuckle joint can be used in valve mechanism of a reciprocating engine.

Cotter joint can be used to connect two rods for torque transmission purpose.

In joining steel plate and asbestos, welding is preferred over riveting.

67 N/mm².; Spigot dia=65mm; thickness 0f collar=15mm

The capacity of welded structures to damp vibrations is quite good.

Which of the following is not a part of cotter joint?

A rivet is specified as a 20mm rivet. What does it mean?

Which of the following are important parts of knuckle joint?

Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod.

Filler material is used in electric resistance welding.

Hard peening is

Rails in the field are generally welded by using

Mechanical Engineering

Engineering Design and Analysis

Bonding Theory, Springs, and Flywheels

Mechanical Engineering Bearings and Gears

Mechanical Engineering Gears, Lubrication, Welding, Stress, and Design

Mechanical Engineering Shafts, Keys, and Joints

Mechanical Engineering : Punching Vs Drilling, Casting Sands, Leaf Springs

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Exam 3: Joints and Joining Techniques

Cold riveting holds the connected parts better than hot riveting.

In gas welding which of the following is generally used?

Among punching and drilling, which is cheaper?

The amount by which the two rods to be joined are drawn together is called as?

The principle of wedge action is used in cotter joint.

Themit consists of a finely divided mixture of iron oxide and copper.

Two steel rods connected by cotter joint are subjected to 50 kN load each. What is the minimum diameter required of the rods? (Given: Yielding Stress= 400N/mm² ; Factor of Safety=6)

Quality checking of riveted joint is much expensive than that of welded joint.

A knuckle joint can be used in valve mechanism of a reciprocating engine.

Cotter joint can be used to connect two rods for torque transmission purpose.

In joining steel plate and asbestos, welding is preferred over riveting.

67 N/mm².; Spigot dia=65mm; thickness 0f collar=15mm

The capacity of welded structures to damp vibrations is quite good.

Which of the following is not a part of cotter joint?

A rivet is specified as a 20mm rivet. What does it mean?

Which of the following are important parts of knuckle joint?

Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod.

Filler material is used in electric resistance welding.

Hard peening is

Rails in the field are generally welded by using

Mechanical Engineering

Engineering Design and Analysis

Bonding Theory, Springs, and Flywheels

Mechanical Engineering Bearings and Gears

Mechanical Engineering Gears, Lubrication, Welding, Stress, and Design

Mechanical Engineering Shafts, Keys, and Joints

Mechanical Engineering : Punching Vs Drilling, Casting Sands, Leaf Springs

Filters