WELDER MONTHLY TEST -1

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Test by S.N ASOLE ( Lesson No 59 to 63 )

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What should be done immediately if a cylinder leaks due to defective valve or safety plug?

2 points

try to repair yourself

ask other to repair it

move it to a safe area

inform to the supplier

Clear selection

Name the harmful rays from an electric arc in arc welding which creates the "RI" to the welder?

2 points

x ray

ultra violet

gamma ray

none of these

Clear selection

Gas cylinders are painted with different colour for identification oxygen is supplied in cylinder which are painted.

2 points

red

blue

black

maroon

Clear selection

The safety device used to protect eyes from harmful rays of electric arc and hot spatters is.....

2 points

welding helmet and handscreen

goggle

face mask

face shield

Clear selection

The material with which the apron is made of is....

2 points

rubber

cloth

leather

none of these

Clear selection

Arc welding booth painted in ..... colour

2 points

red

white

blue

black

Clear selection

State the semi permanent joint?

2 points

welding

soldering

brazing

reveting

Clear selection

Recommendation of filter glasses for manual metal arc welding state the shade number for 100 to 300 current in amperes.

2 points

8-9

10-11

12-14

none of these

Clear selection

Name the welding accesories to protect face from Ultraviolet rays while welding?

2 points

goggle

faceshield

handshield

none of these

Clear selection

Acetylene cylinder painted in colour.....

2 points

red

black

maroon

white

Clear selection

How to check for leakage before using oxy-acetylene welding quipment?

2 points

apply soap water

use fresh water

use mineral water

distilled water

Clear selection

always open the cylinder valve by ......

2 points

spindle key

pipe wrench

spanner

none of these

Clear selection

The safety device used to protect the eyes while grinding is.....

2 points

hand screen

helmet

chipping goggle

chipping screen

Clear selection

The cuttting edge of a hot chiesel is ground to an angle of.....

2 points

Clear selection

Outside caliper is used to check.....

2 points

size of round job

dimension of grooves

angle of the job

depth of job

Clear selection

State the reading accuracy of the steel rule

2 points

0.05

0.005

0.5

0.1

Clear selection

center punch are made of...... steel

2 points

spring steel

high carbon steel

mild steel

stainless steel

Clear selection

State the angle of the point of the center punch?

2 points

Clear selection

State the angle of the point of dot punch?

2 points

Clear selection

Which type of hammer used for genersl work in workshop?

2 points

ball pein hammers

cross pein hammers

straight pein hammers

pinning hammer

Clear selection

Hammer made from these......steel

2 points

medium carbon steel

drop forge carbon steel

cast steel

stainless steel

Clear selection

During punching dots should not be to close to one another i.e the pich of dot can be......state the pich of dot.

2 points

6mm

8mm

4mm

2mm

Clear selection

For marking out circle and arc on metal the instrument used is.....

2 points

outside caliper

divider

odd leg caliper

inside caliper

Clear selection

Steel rule are made of these metal?

2 points

stainless steel

high carbon steel

copper

nickel

Clear selection

Bench vice is made of.....

2 points

carbon steel

cast iron

wrought iron

brass

Clear selection

The size of the vice is stated by.....

2 points

weight of vice

length of spindle

width of jaw

none of these

Clear selection

Chipping is an operation of removing excess metal. State the tool used for chipping.

2 points

grinding

file

drill

chisel

Clear selection

Chiesel are made from these metal

2 points

carbon steel or chrome venadiun steel

stainless steel

tungusten

high seed steel

Clear selection

State the length of the flat chiesel used by a welder is

2 points

150mm

100m

200mm

125mm

Clear selection

Dueing mild steel chipping , state the correct inclination angle.....

2 points

60-70

70-80

40-45

50-55

Clear selection

Which type of clamp is used by welder during welding?

2 points

u clamp

c clamp

handvice

machinevice

Clear selection

State pitch of coarse blade?

2 points

2 mm

1 mm

1.8 mm

0.8mm

Clear selection

Which metal is used for making file?

2 points

medium carbon steel

high carbon steel

tungusten

none of these

Clear selection

Which file is used for heavy reduction of material?

2 points

rough file

second cut file

bastard file

smooth file

Clear selection

Try square are specified according to the......

2 points

length of blade

length of stock

width of blade

width of stock

Clear selection

Which clamp is used by welder during heavy and large size plate welding?

2 points

screw clamp

c clamp

u clamp

none of these

Clear selection

What should be the pressure of gases of oxygen and acetylene to weld with nozzle no 5?

2 points

0.15 kgf/cm2

0.15 kgf/mm2

0.15 kgh/m2

0.15 lbs/in2

Clear selection

State the oxygen gas cylinder capacity of storing oxygen gas

2 points

9m3

7m3

10m3

15m3

Clear selection

State the acetylene gas cylinder capacity of storing acetylene gas

2 points

5m3

10m3

6m3

7m3

Clear selection

Which equipment fitted on cylinder to reduce the gas pressure according to the working pressure

2 points

blow pipe

injector

regulator

none of these

Clear selection

For quickly identification of acetylene regulator are

2 points

paint or wingnut or union nut

groove cut at the corner of the nut

name on the nut

none of these

Clear selection

Hose pipe are made of these material?

2 points

plastic

nylon

canvas rubber

fibre

Clear selection

Nozzle are made up of these metal?

2 points

copper

brass

aluminium

carbon steel

Clear selection

Spanner are made of these metal?

2 points

high carbon steeel

forge chrome venadium steel

cast steel

alloy steel

Clear selection

Which tool is used for cleaning of torch tip?

2 points

metal wire

filler wire

tip cleaner

none of these

Clear selection

Chipping hammer is made up of these metal?

2 points

high carbon steel

medium carbon steel

high speed steel

cast steel

Clear selection

Which brush isused for cleaning no ferrous and stainless steel welded joint?

2 points

carbon steel wire brush

spring steel wire brush

stainless steel wire brush

none of these

Clear selection

In which machine , bare wire electrode cannot be used?

2 points

transformer

generator

rectifier

invertor type welding machine

Clear selection

Transformer used in arc welding is?

2 points

stepdown

stepup

one to one

capable of increasing supply voltage

Clear selection

A welding set which is used to convert A.C. supply to D.C. supply is?

2 points

generator

rectifier

transformer

invertor machine

Clear selection

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