Explore topic-wise MCQs in Engineering.

This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

2401.

During pudding

A. molten metal is kept clear of the fuel
B. carbon is converted into carbonic acid gas
C. silicon forms a slag
D. metal is heated by the burning of gases
E. all the above.
Answer» F.
2402.

For the manufacture of stainless steel, steel is mixed with

A. chromium
B. nickel
C. tungsten
D. none of these.
Answer» B. nickel
2403.

Stones used for ornamental work must be

A. soft
B. hard
C. light
D. heavy.
Answer» B. hard
2404.

The presence of original rounded surface on the manufactured piece of timber, is called

A. Wane
B. Torn grain
C. Diagonal grain
D. Chipmark.
Answer» B. Torn grain
2405.

Bituminous fells are used for

A. covering A.C. sheets
B. covering sloping roofs
C. D.P.C.
D. none to these.
Answer» B. covering sloping roofs
2406.

Stuco paints are suitable for

A. stone masonry
B. brick walls
C. both (a) and (b)
D. neither (a) nor (b).
Answer» D. neither (a) nor (b).
2407.

Smith's test of stones is performed to find out

A. the presence of soluble matter of stone
B. the compressive strength of the stone
C. the hardness of the stone
D. the toughness of the stone.
Answer» B. the compressive strength of the stone
2408.

Lime concrete is generally used for

A. wall foundations
B. flooring at ground level
C. both (a) and (b)
D. neither (a) nor (b).
Answer» C. both (a) and (b)
2409.

Which one of the following polymers is obtained from condensation polymerization?

A. phenol formaldehyde
B. carbamide
C. melamine-formaldehyde
D. all of these.
Answer» E.
2410.

The weight of 1 m3 of brick earth, is about

A. 1200 kg
B. 1500 kg
C. 1800 kg
D. 2000 kg.
Answer» D. 2000 kg.
2411.

Pozzolana (or surkhi) is used in lime

A. to impart hydraulicity
B. to prevent shrinkage
C. to decrease the cost of construction
D. to decrease the setting time.
Answer» B. to prevent shrinkage
2412.

Dextrin is

A. animal glue
B. starch glue
C. albumin glue
D. rubber based adhesive
E. none to these.
Answer» E. none to these.
2413.

The operation of removal of impurities or clay adhering to iron ores, is known as

A. dressing
B. calcination
C. roasting
D. smelting.
Answer» B. calcination
2414.

If water required for 1 bag of cement is 30 litres, the water cement ratio is :

A. 0.40
B. 0.50
C. 0.60
D. None of these.
Answer» D. None of these.
2415.

Bulking of sand is caused due to

A. surface moisture
B. air voids
C. viscosity
D. clay contents
E. all the above.
Answer» B. air voids
2416.

The silica is used for preparing

A. silica bricks
B. coke oven
C. lining for glass furnaces
D. all of these.
Answer» E.
2417.

Wrought iron is manufactured from pig iron by

A. refining
B. puddling
C. shingling
D. rolling
E. all the above.
Answer» F.
2418.

Cast iron

A. is obtained by purifying pig iron
B. is manufactured in required shapes
C. may contain 2 to 5 per cent of carbon with other impurities
D. is remelted in a cupola furnace
E. all the above.
Answer» F.
2419.

Fibre boards can be

A. distempered
B. painted
C. painted and distempered
D. used for furniture.
Answer» E.
2420.

In a rock calcium carbonate predominates. State whether it is :

A. Sillicious rock
B. Argillaceous rock
C. Calcareous rock
D. None of these.
Answer» D. None of these.
2421.

The rocks which are formed due to pouring of magma at the earth's surface are called

A. Plutonic rocks
B. Hypabyssal rocks
C. Volcanic rocks
D. Igneous rocks
Answer» D. Igneous rocks
2422.

Rapid hardening cement contains

A. Tri-calcium silicate
B. Tri-calcium aluminate
C. Tetra-calcium alumino-ferrite
D. Dicalcium silicate.
Answer» B. Tri-calcium aluminate
2423.

Bitumen emulsion is

A. a liquid containing bitumen in suspension
B. a paint
C. used as anti-corrosive paint
D. all the above.
Answer» E.
2424.

Invar contains

A. 12% of nickel
B. 24% of nickel
C. 30% to nickel
D. 36% of nickel.
Answer» E.
2425.

Based on flow quality, the sequence of pipes is

A. A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
B. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
C. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
D. None of these.
Answer» C. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
2426.

The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to

A. grey cast iron
B. white cast iron
C. mottled cast iron
D. toughed cast iron.
Answer» D. toughed cast iron.
2427.

Jhumb bricks are

A. under burnt
B. over burnt
C. kutcha
D. none of these.
Answer» C. kutcha
2428.

Plastic bitumen is generally used for

A. road pavements
B. expansion joints
C. crack fillings
D. none to these.
Answer» D. none to these.
2429.

The commonly used thinner in oil paints, is

A. naptha
B. turpentine
C. both (a) and (b)
D. neither (a) nor (b)
E. none the these.
Answer» D. neither (a) nor (b)
2430.

The steel which contains fissures and cavities, is manufactured by

A. Cementation process
B. Crucible process
C. Bessemer process
D. Open hearth process.
Answer» B. Crucible process
2431.

Pick up the volcanic rock from the following:

A. Granite
B. Dolerite
C. Basalt
D. All the above.
Answer» D. All the above.
2432.

In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

A. right angles
B. 45
C. 60
D. parallel
E. None of these.
Answer» B. 45
2433.

The most durable varnish is

A. water varnish
B. spirit varnish
C. turpentine varnish
D. oil varnish
E. none of these.
Answer» E. none of these.
2434.

Softer variety of steel may be obtained by

A. Cementation process
B. crucible process
C. Bessemer process
D. Open hearth process.
Answer» D. Open hearth process.
2435.

Asbestos is

A. corrugated sheet used for roofing
B. an incombustible fire proof material
C. an organic substance
D. a bad insulator for sound and heat
E. all the above.
Answer» F.
2436.

Calcination of iron ores is done

A. to remove moisture
B. to remove carbonic acid
C. by roasting in heaps
D. after dressing
E. all the above.
Answer» F.
2437.

Strength of cement concrete primarily depends upon

A. quality of water
B. quantity of aggregate
C. quantity of cement
D. water-cement ratio.
Answer» E.
2438.

Knots in timber are

A. defects caused by crushing fibres
B. splits radiating from the centre
C. speckled strains
D. signs of branches cut off.
Answer» E.
2439.

German silver is an alloy of

A. zinc, lead and nickel
B. silver, gold and lead
C. copper, nickel and zinc
D. copper, brass and zinc
E. brass, silver and zinc.
Answer» D. copper, brass and zinc
2440.

The timber having maximum resistance against white ants, is obtained from

A. chir
B. shisham
C. sal
D. teak.
Answer» D. teak.
2441.

Portland pozzolana cement possesses

A. higher resistance to chemical attack
B. lower heat of hydration
C. lower shrinkage on drying
D. water tightness
E. all the above.
Answer» F.
2442.

Iron ore may contain

A. carbon
B. silicon
C. sulphur
D. phosphorus and maganese
E. all the above.
Answer» F.
2443.

Wrought iron is used for

A. structural works in beams
B. small sized water pipes
C. columns and struts
D. none to these.
Answer» C. columns and struts
2444.

A pug mill is used for

A. softening brick earth
B. moulding brick earth
C. tempering brick earth
D. providing brick earth
E. all the above.
Answer» D. providing brick earth
2445.

Mastic asphalt is generally used for

A. damp proof course
B. water proof layer
C. partition walls
D. both (a) and (b).
Answer» E.
2446.

Expanded metal is

A. manufactured from steel sheets
B. used for reinforced concrete in road pavements
C. measured in term of SWM (shortway mesh) and LWM (long way mesh)
D. all the above.
Answer» E.
2447.

The rock generally used for roofing, is

A. granite
B. basalt
C. slate
D. pumice.
Answer» D. pumice.
2448.

A good brick earth should contain :

A. about 20% to 30% of alumina
B. about 50% to 60% of silica
C. not more than 5% of lime
D. about 5 to 6% of oxide of lime
E. All the above.
Answer» F.
2449.

The filler used in plastic bitumen, is

A. shale powder
B. talc powder
C. asbestos powder
D. plastic powder
E. none of these.
Answer» D. plastic powder
2450.

For the manufacture of plywood, veneers are placed so that grains of adjacent veneers

A. run at right angles
B. parallel
C. inclined at 45
D. inclined at 60 .
Answer» B. parallel