Home
Current Affairs January 2024

What is the correct answer?

4

A single point tool has

A. Rake angle

B. Cutting angle

C. Lip angle

D. All of these

Correct Answer :

D. All of these


Related Questions

What is the correct answer?

4

A lathe with four steps on the cone pulley and with back-gears will have

A. Four direct speeds

B. Four indirect speeds

C. Four direct and four indirect speeds

D. Eight indirect speeds

What is the correct answer?

4

A dense structure of a grinding wheel is used for

A. Hard materials

B. Brittle materials

C. Finishing cuts

D. All of these

What is the correct answer?

4

Which of the following statement is wrong?

A. The larger side rake angle produces chipping.

B. The smaller rake angle produces excessive wear and deformation in tool.

C. The side cutting edge angle (less than 15°) increases tool life.

D. The increase in nose radius decreases tool life.

What is the correct answer?

4

The process of improving the cutting action of the grinding wheel is called

A. Truing

B. Dressing

C. Facing

D. Clearing

What is the correct answer?

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 grinding operation

D. Occasionally

What is the correct answer?

4

Crater wear occurs mainly on the

A. Nose part, front relief face and side relief face of the cutting tool

B. Face of the cutting tool at a short distance from the cutting edge only

C. Cutting edge only

D. Front face only

What is the correct answer?

4

Ultrasonic machining is best suited for

A. Tool steels

B. Sintered carbides

C. Glass

D. All of these

What is the correct answer?

4

In which of the following machine, the work rotates and the tool is stationary?

A. Vertical boring machine

B. Horizontal boring machine

C. Precision boring machine

D. Jig boring machine

What is the correct answer?

4

Cast iron during machining produces

A. Continuous chips

B. Discontinuous chips

C. Continuous chips with built-up edge

D. None of these

What is the correct answer?

4

While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is

A. Independent of index change gear ratio

B. Dependent on speed change gear ratio

C. Interrelated to index change gear ratio

D. Independent of speed and index change gear ratio

What is the correct answer?

4

The guideways are of

A. Flat type

B. V-type

C. Dovetail type

D. Any one of these

What is the correct answer?

4

Relief angles on high speed steel tools usually vary from

A. 0° to 3°

B. 3° to 10°

C. 10° to 20°

D. 20° to 30°

What is the correct answer?

4

The drill spindles are provided with standard taper known as

A. Morse taper

B. Seller's taper

C. Chapman taper

D. Brown and Sharpe taper

What is the correct answer?

4

The in-feed grinding is used to

A. Produce tapers

B. Grind shoulders and formed surfaces

C. Grind long, slender shafts or bars

D. All of these

What is the correct answer?

4

The tool life is said to be over if

A. Poor surface finish is obtained

B. There is sudden increase in cutting forces and power consumption

C. Overheating and fuming due to heat of friction starts

D. All of the above

What is the correct answer?

4

A diamond locating pin is used in jigs and fixtures because

A. Diamond is very hard and wear resistant

B. It occupies very little space

C. It helps in assembly with tolerance on centre distance

D. It has a long life

What is the correct answer?

4

Continuous chips with built up edge are formed during machining of

A. Brittle metals

B. Ductile metals

C. Hard metals

D. Soft metals

What is the correct answer?

4

The cutting angle of a flat drill varies from

A. 3° to 8°

B. 20° to 30°

C. 60° to 90°

D. 90° to 120°

What is the correct answer?

4

What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained?

A. Ultrasonic welding

B. Forge welding

C. Electron beam welding

D. Friction welding

What is the correct answer?

4

In which of the following machine, the work is usually rotated while the drill is fed into work?

A. Sensitive drilling machine

B. Radial drilling machine

C. Gang drilling machine

D. Deep hole drilling machine

What is the correct answer?

4

The rake angle required to machine brass by high speed steel tool is

A.

B. 10°

C. 20°

D. 100°

What is the correct answer?

4

The primary purpose of a sprue in a casting mould is to

A. Feed the casting at a rate consistent with the rate of solidification.

B. Act as a reservoir for molten metal

C. Feed molten metal from the pouring basin to the gate

D. Help feed the casting until all solidification takes place

What is the correct answer?

4

Which one among the following welding processes uses nonconsumable electrode?

A. Gas metal arc welding

B. Submerged arc welding

C. Gas tungsten arc welding

D. Flux coated arc welding

What is the correct answer?

4

The high cutting speed and large rake angle of the tool will result in the formation of

A. Continuous chips

B. Discontinuous chip

C. Continuous chips with built up edge

D. None of these

What is the correct answer?

4

The thrust force will increase with the increase in

A. Side cutting edge angle

B. Tool nose radius

C. Rake angle

D. End cutting edge angle

What is the correct answer?

4

The depth of cut in drilling is __________ the drill diameter.

A. Equal to

B. One-fourth

C. One-half

D. Double

What is the correct answer?

4

In a planer

A. Tool is stationary and work reciprocates

B. Work is stationary and tool reciprocates

C. Tool moves over stationary work

D. Tool moves over reciprocating work

What is the correct answer?

4

If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is

A. 0.20

B. 0.30

C. 0.50

D. 0.60

What is the correct answer?

4

The method of centre less grinding used to produce taper is

A. In-feed grinding

B. Through feed grinding

C. End feed grinding

D. Any one of these

What is the correct answer?

4

A fine grained grinding wheel is used to grind

A. Hard and brittle materials

B. Soft and ductile materials

C. Hard and ductile materials

D. Soft and brittle materials