One shot Marathon Series II Metal Cutting Metrology & CIM for ESE & GATE ME Exams

Question 1

Negative rake angle is usually provided on

Question 2

A HSS tool has life of 4 hours when machined at 20 m/min and 1 hour when machined at 40 m/min. find Taylor’s constant.

Question 3

Crater wear takes place in a single point cutting tool at the

Question 4

Through what, CIM allows the computer to assist in minute details and specifications of a customer order or to simulate variation of the order?

Question 5

The relationship of the shear angle

is as per (‘

’is rake angle and ‘

’ is friction angle)_______.

Question 6

Which force is mainly responsible for BUE formation

Question 7

In optical pyrometers absorption filter is used _______.

Question 8

Wear allowance is usually taken as ____of the work tolerance

Question 9

In oblique cutting, Cutting force is acting in______.

Question 10

A sine bar has a length of 200mm. Each roller has a radius of 15mm. During taper angle measurement, the height from the surface plate to the stacked slip gauges is 150mm. The taper angle in degree is_________.

Question 11

In a NC machine to drive the work table by a distance of 300 mm, the total angular movement (in degrees) of a lead screw with a pitch of 6 mm is?

Question 12

Which of the following method is used to measure temperature between chip tool interface_____?

Tool work thermocouple.
Dynamometer
Temper colours

Question 13

The % increase in tool life when cutting speed is reduced by 70% is ___________. (Take n = 0.5, C = 484).

Question 14

In an orthogonal cutting process of steel, the following were measured:

Thrust force = 500 N.

Cutting force = 1000 N

Rake angle= 10

The shear force along the shear plane, as calculated by Merchant’s theory is ________

Question 15

Machinability is judged by the factor

Question 16

Orthogonal cutting is performed with a tool of 0 degree rake angle. One cutting force is 200N and the cutting velocity is 90 m/min. If 80% heat (total work) is utilized for plastic deformation out of which 20% goes into workpiece, then heat flow (w) in the workpiece is ____________.

Question 17

In a limit system, the following limits are specified to give a clearance fit between a shaft and a hole.

What is the ratio of maximum to minimum clearance______?

Question 18

Side cutting edge angle for the tool signature of 0 – 10 – 8 – 9 – 15 – 75 – 0 in ORS

Question 19

A shaft of size

mm mate with a hole of size

mm in an interchangeable assembly. The maximum possible clearance in the assembly in microns will be_____.

Question 20

The crank pin is to be connected in the bush and the dimensions for the bush and crank are given respectively of in mm are

Maximum clearance between bush and crank pin is ______.

Question 21

Cylindrical holes of

mm diameter are electroplated in a shop. If the plating thickness varies between 10 – 15 microns, then the upper limit (in mm) of diameter of the hole before plating should be____.

Question 22

Angle between the face and flank of the single point cutting tool is known as

Question 23Multiple Correct Options

Consider the following statements regarding wear allowance and choose correct statements _____________.

Question 24Multiple Correct Options

Choose the correct statements regarding the form tolerances ____________.

Question 25Multiple Correct Options

Consider the following statements regarding the optional flat ___________.