Elements

Question 1

Heating of the metal to a temperature above the critical temperature and then cooling slowly usually in the furnace to reduce the hardness and improve the machinability

Answer 1

Annealing

Question 2

What is the other name of instantaneous center

Answer 2

Virtual Center

Question 3

What is the stress to strain ratio within the elastic limit

Answer 3

Modulus of elasticity

Question 4

What is the main function of clutch in the machine tool

Answer 4

To disconnect or connect at will

Question 5

What is the principal material used in the production of metal working tools

Answer 5

High carbon steel

Question 6

The property of material that relates the lateral strain to longitudinal strain

Answer 6

Poisson’s ratio

Question 7

It is the other name for eccentrically loaded bearing

Answer 7

Offset bearing

Question 8

Quantities such as time, volume and density are completely specified when their magnitude is also called _____

Answer 8

Scalar

Question 9

What is the product of the resultant of all forces acting on a body and the time?

Answer 9

Linear impulse

Question 10

What do you call the separate forces that can be combined?

Answer 10

Component forces

Question 11

It is referred to as the continuous stretching under load even if the stress is less than the yield point.

Answer 11

Creep

Question 12

It is a coupling that allows axial flexibility in the operation, made of alternate bolting of steel, leather, fabric, and plastic material into the two flanges.

Answer 12

Flexible disc coupling

Question 13

What consists of two cranks, a stationary piece called the line of centers, and a connecting rod?

Answer 13

Four bar linkage

Question 14

What do you call the property of a material plane that, when subject to a load, the strain disappears when the load is removed?

Answer 14

Elastic

Question 15

What is the change in shape or geometry of the body due to the action of a force on it?

Answer 15

Strain or deformation

Question 16

What is the ability to resist deformation under stress?

Answer 16

Stiffness

Question 17

What is an elastic body whose primary function is to deflect under load?

Answer 17

Spring

Question 18

What is the allowable tensile strength for steel plates?

Answer 18

396.41 N/m²

Question 19

What is the SAE designation for chromium steel standard?

Answer 19

5xxx

Question 20

What is the differential of the shear equation?

Answer 20

Load on the beam

Question 21

What is a type of stress that is independent of load?

Answer 21

Residual stresses

Question 22

What is a material having a high electrical resistance and should not be used as conductors of electrical current?

Answer 22

Nickel

Question 23

What is the best material for brake drum?

Answer 23

Cast iron

Question 24

What property characterizes a material’s ability to be drawn into a wire?

Answer 24

Ductility

Question 25

What do you call a phase of steel elements that has a face-centered cubic structure?

Answer 25

Austenite

Question 26

What is the property of material wherein the content is continuously distributed to its entire mass?

Answer 26

Homogeneity

Question 27

How can the rigidity of polymer be increased?

Answer 27

Crystallization

Question 28

One kilowatt is equal to how many BTU per minute?

Answer 28

57.88 BTU/min

Question 29

What do you call the peculiar strength of the metal to resist being crushed?

Answer 29

Compressive strength

Question 30

One radian is equal to how many degrees?

Answer 30

57.296 degrees