Manufacturing Processes (3141908) MCQs

MCQs of Grinding Machines and Abrasives

Showing 1 to 10 out of 63 Questions
1 2 3 4 5 6
1.
The work or surface speed for cylindrical grinding varies from
(a) 5 to 10 m/min
(b) 10 to 20 m/min
(c) 20 to 30 m/min
(d) 40 to 60 m/min
Answer:

Option (c)

2.
The method of grinding used to produce a straight or tapered surface on a workpiece is
(a) internal cylindrical grinding
(b) form grinding
(c) external cylindrical grinding
(d) surface grinding
Answer:

Option (c)

3.
The example of snag grinding is
(a) trimming the surface left by sprues and risers on castings
(b) grinding the parting line left on castings
(c) removing flash on forgings
(d) all of these
Answer:

Option (d)

4.
Grinding wheels should be tested for balance
(a) only at the time of manufacture
(b) before starting the grinding operation
(c) at the end of the grinding operation
(d) occasionally
Answer:

Option (d)

5.
Which of the following parameters influence the axial feed rate in centreless grinding?
(a) Regulating wheel diameter
(b) Speed of the regulating wheel
(c) Angle between the axes of grinding and regulating wheels
(d) all of the above
Answer:

Option (d)

6.
The method of centreless grinding used to produce taper is
(a) in-feed grinding
(b) through-feed grinding
(c) end-feed grinding
(d) any one of these
Answer:

Option (c)

7.
In centreless grinding, the surface speed of regulating wheel is
(a) 5 to 15 m/min
(b) 15 to 60 m/min
(c) 60 to 90 m/min
(d) 90 to 120 m/min
Answer:

Option (b)

8.
Glazing in grinding wheels can be decreased by
(a) using a harder wheel or by increasing the wheel speed
(b) using a softer wheel or by decreasing the wheel speed
(c) using a harder wheel or by decreasing the wheel speed
(d) using a softer wheel or by increasing the wheel speed
Answer:

Option (b)

9.
The hardness of a grinding wheel is specified by
(a) brinell hardness number
(b) rockwell hardness number
(c) vickers pyramid number
(d) letter of alphabet
Answer:

Option (d)

10.
In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
(a) cylindrical grinder
(b) internal grinder
(c) surface grinder
(d) tool and cutter grinder
Answer:

Option (c)

Showing 1 to 10 out of 63 Questions
1 2 3 4 5 6