Explore topic-wise MCQs in Current Affairs.

This section includes 2171 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

301.

Out of the three basic doshas in Ayurveda, the pitta dosha is linked to which one of the followingfive classical elements?

A. Fire
B. Air
C. Space
D. Earth
Answer» B. Air
302.

API means

A. Active Pharmaceutical incorporation
B. Active Pharmaceutical intake
C. Active Pharmaceutical ingredient
D. Active Pharmaceutical interaction
Answer» D. Active Pharmaceutical interaction
303.

Most commonly used natural diluents is

A. Lactose
B. Methyl cellulose
C. Corn starch
D. Talc
Answer» B. Methyl cellulose
304.

To construct the boiler foundation on weak soil, the concrete

A. Piles and cellular are used
B. Cellular and raft are used
C. Raft and piles are used
D. Raft, pile and cellular are used
Answer» D. Raft, pile and cellular are used
305.

Which of the factors are not considered for deciding the alignment

A. Designing the machine
B. The type and application of the machine
C. The grade of accuracy is demanded
D. The condition of the machine
Answer» B. The type and application of the machine
306.

In welding symbol, if the symbol is above the baseline then the welding is to be done at

A. The arrow side
B. Other side of the arrow
C. Right side of the arrow
D. Both side of the arrow
Answer» C. Right side of the arrow
307.

In which of the following process, heat is created by blacksmith fire

A. Forge welding
B. Spot welding
C. Projection welding
D. Seam welding
Answer» B. Spot welding
308.

Full of the WPS is

A. Welding Procedure Specification
B. Welding Process System
C. Welding Process Specification
D. Welding Procedure System
Answer» B. Welding Process System
309.

The equipments used for erection work are

A. Chain pulley block
B. Rope and chain
C. Rollers
D. All of them
Answer» E.
310.

In oxy-acetylene welding colour of oxygen cylinder is

A. Red
B. Maroon
C. Black
D. Brown
Answer» D. Brown
311.

Static type power sources include

A. Transformer, Motor-driven generator
B. Rectifier, Engine-driven Generator
C. Transformer, Rectifier
D. Motor-driven generator, Engine-driven generator
Answer» D. Motor-driven generator, Engine-driven generator
312.

Which process allows fusion welds of great depth with minimum width?

A. Electron beam welding
B. Ultrasonic welding
C. Plasma arc welding
D. Friction welding
Answer» B. Ultrasonic welding
313.

For 0.5 to 15 mm thick plates are welded using

A. Single-V & Single-U edges
B. Double-V Edges
C. Double-V & Double-U edge
D. Square face edge
Answer» B. Double-V Edges
314.

In the welding position, an angle between weld root line and horizontal reference plane is known as

A. Slope
B. Rotation
C. all
D. none
Answer» B. Rotation
315.

Which of the following joint have high corrosion resistance?

A. Welding joint
B. Riveted joint
C. Bolted joint
D. None of the above
Answer» B. Riveted joint
316.

The Weldability of the metals in descending order

A. Iron, Steel, Cast iron, Low Alloy steel
B. Steel, Cast iron, Iron, Low Alloy steel
C. Iron, Cast iron, steel, low Alloy steel
D. Steel, Iron, Cast iron, Low Alloy steel
Answer» B. Steel, Cast iron, Iron, Low Alloy steel
317.

The negative pole of the electrode burns away faster than the positive pole.

A. True
B. False
C. all
D. none
Answer» C. all
318.

An example of an anodic coating is _____

A. Zinc
B. Copper
C. Nickel
D. Chromium
Answer» B. Copper
319.

The foundation bolt which is most popular for the small and light machine is

A. Hook bolt
B. L Type bolt
C. Ragged foundation bolt
D. Square-headed foundation bolt
Answer» D. Square-headed foundation bolt
320.

Which type of weld is used lying in the same plane

A. Butt Joint
B. Edge Joint
C. Lap Joint
D. Corner Joint
Answer» B. Edge Joint
321.

During edge preparation bevel angle is

A. 15º
B. 30º
C. 40º
D. 60º
Answer» D. 60º
322.

For the vertical position of the weld fillet and other symbols should saw in which side

A. Right
B. Left
C. Bottom
D. Above
Answer» C. Bottom
323.

During the blasting method pressure range used for ferrous metals is

A. 0.4 KPa to 0.7 MPa
B. 0.4 MPa to 0.7 MPa
C. 70 KPa to 0.4 MPa
D. 0.4 KPa to 0.7 kPa
Answer» C. 70 KPa to 0.4 MPa
324.

Which of the following is/are surface finishing methods?

A. grinding
B. brushing
C. both
D. none
Answer» D. none
325.

Which welding process is used to join two thick plates in one single pass?

A. Oxy-acetylene welding
B. Gas tungsten arc welding (TIG)
C. Gas metal arc welding (MIG)
D. Electroslag welding
Answer» E.
326.

With an increase in the heatinput of arc welding method, how does it affectthe requiredcurrent?

A. Increases
B. Decreases
C. Remains same
D. No relation
Answer» B. Decreases
327.

Compressed air passed through the atomizer nozzle in

A. Air spray gun
B. Airless spray gun
C. Electrostatic spray gun
D. All of them
Answer» B. Airless spray gun
328.

Which of the method is not a surface cleaning method

A. Mechanical cleaning method
B. Electrical cleaning method
C. Abrasive cleaning method
D. Thermal cleaning method
Answer» C. Abrasive cleaning method
329.

The shape of slots made during edge preparation is based on

A. Joint design
B. Thickness of material
C. Joint strength required
D. All of the above
Answer» E.
330.

For a test chart for the lathe machine I.S. code is

A. I.S. 1878
B. I.S. 2200
C. I.S. 2310
D. I.S. 1100
Answer» B. I.S. 2200
331.

In oxy-acetylene gas welding heat is obtained by

A. An electric ac
B. Gas Flame
C. Chemical
D. None of these
Answer» C. Chemical
332.

Ground Connection equipment is used for ______ welding

A. Gas welding
B. Arc Welding
C. all
D. none
Answer» C. all
333.

Inwhichwelding the surfacesoftwo components are subjected to static normalforce and oscillating shear stress?

A. Diffusion welding
B. Thermit welding
C. Laser beam welding
D. Ultrasonic welding
Answer» E.
334.

For constructing building and bridge fabrication and erection of structural steel codes are prepared by

A. BIS
B. IS
C. AISC
D. All of them
Answer» D. All of them
335.

Which ofthe following non destructive testing is used to detect change incomposition ofany material?

A. Liquid penetration test
B. Ultrasonic test
C. Eddy current test
D. Radiography
Answer» E.
336.

The process which employ an exothermal chemical reaction to develop high temperature

A. Electroslag welding
B. Plasmaarcwelding
C. Thermit welding
D. Stud welding
Answer» D. Stud welding
337.

The work of placing the machine on a foundation and then clamping it by thefoundation bolts with the foundation is called

A. Installation
B. Commissioning
C. Erection
D. Fitting
Answer» D. Fitting
338.

Full form of FB is Welding process is

A. Friction brazing
B. Furnace brazing
C. Function brazing
D. Finish brazing
Answer» C. Function brazing
339.

In arc welding, the three elements to be controlled to obtain satisfactory weldingoperation are

A. Current, voltage and speed of travel
B. Current, voltage and arc length
C. Current, arc length and speedoftravel
D. Voltage, arc length and speed oftravel
Answer» B. Current, voltage and arc length
340.

Which type of butt joint is used to joint 9 mm to 13 mm thick plate

A. Single-V or Single-U butt joint
B. Double-V or double-U butt joint
C. all
D. none
Answer» B. Double-V or double-U butt joint
341.

Which ofthe following does not holdtrue aboutlaserbeamwelding?

A. Laser welding cannot be used in case ofjoints atintricate locations
B. It can produce tiny welds
C. Laser welding can be used for avariety of metal combinations
D. In case of LBW, thin welds on small diameter wires are less susceptible to burn back
Answer» B. It can produce tiny welds
342.

What is the capacity of an automatic welding machine?

A. 100 to200A
B. 300 to 400A
C. 500 to700A
D. 800 to 3000A
Answer» E.
343.

When two plates are to be joined by keeping their surface at about 90º toone-another

A. Lap joint
B. Butt Joint
C. Tee Joint
D. Corner Joint
Answer» D. Corner Joint
344.

When the surface has complex shapes, the abrasive cleaning can be done or not?

A. yes
B. No
C. all
D. none
Answer» C. all
345.

The mixture of 1 : 3 :5 is found suitable for construction foundation for a

A. Boiler
B. Centrifugal pump
C. Pipe
D. All of these
Answer» C. Pipe
346.

Which of the following is/are surface fabricated structures?

A. bridge
B. pressure vessels
C. both
D. none
Answer» D. none
347.

In India in large numbers of steel plants, oil refineries and fertilizer plants for vertical tanks and hortoneshere fabricated using ____ material

A. Cast iron
B. Mild Steel
C. A & B both
D. None of these
Answer» C. A & B both
348.

During the blasting method pressure range used for Non-ferrous metals is

A. 0.4 KPa to 0.7 MPa
B. 0.4 MPa to 0.7 MPa
C. 70 KPa to 0.4 MPa
D. 0.4 KPa to 0.7 kPa
Answer» D. 0.4 KPa to 0.7 kPa
349.

During fabrication which processes are included

A. Welding
B. Brazing
C. Soldering
D. All of the above
Answer» E.
350.

Which is not the main activities for erecting an equipment

A. Designing
B. Measurement
C. Alignment
D. Loading and unloading
Answer» B. Measurement