Question # 1

What corrosion occurs under organic coating on metals as fine wavy hairlines?

Choose an answer

Stray current corrosion

Microbiological corrosion

Filiform corrosion

Simple corrosion

Granulated sugar contains _____________% sucrose

Choose an answer

80

99.30

60

90

What refers to the tin mill steel, without a coating.

Choose an answer

White plate

Black plate

Tin steel free

Dichromate tin

Natural gas can be transported through

Choose an answer

Cylinders

Pipes

Barriers

All of above

What is the ASTM tension testing designation for standard method for steel products.

Choose an answer

A 370

E 345

E8

E 9

Which cast iron is hard and wear resistant.

Choose an answer

Grey iron

White iron

Melleable iron

None of these

Iron is said to be abundant in nature. About how many percent of the earth’s crust is iron.

Choose an answer

10%

5%

20%

8%

Which of the following is NOT true 7 ceramic materials are.

Choose an answer

Hard, have high densities high compressive strength and very good thermal resistance and strength at higher temperature Silicon

Hard, have low densities high compressive strength and very good thermal resistance and strength at higher temperature.

Hard, have low densities low compressive strength and very good thermal resistance and strength at higher temperature.

Hard, have low densities' high compressive strength and very good thermal resistance and strength at higher temperature.

The wear-resistance of the material is attributed to its ability on ________ that is the hardness is increased greatly when the steel is cold worked.

Choose an answer

Cold harden

Stress harden

Strain harden

Cool temperature

In which paper some additive is not added.

Choose an answer

Carbon paper

Filter paper

Glazed paper

Art paper

When a drop of detergent solution is added onto a clean towel. It spreads instead of existing as a droplet Which of the following statements explains this phenomenon.

Choose an answer

Detergent acts as an emulsifying agent

Detergent reduce surface tension of water

Detergent reduces surface tension of water

All of above

What is a coal that has been previously burned in an oxygen poor environment?

Choose an answer

Tuyere

Coke

Silver

Diamond

Granulated sugar containing._____________

Choose an answer

Glucose

Fructose

Maltose

Sucrose

Organic farming is the technique of raising crops through uses of.

Choose an answer

Manures

Biofertilizers

Resistant varieties

All of these

_________ is preferred for horticultural crops and for tobacco and potatoes.

Choose an answer

Potassium Chloride

Potassium Sulphate

Potassium NItrate

None of these

The different types of glass are.

Choose an answer

A- glass, C-Glass, E-Glass and S-Glass

A-Glass, B-Glass, E-Glass, S-Glass

AR -Glass, C-Glass, E-Glass and S -Glass

A-B Glass

Soapy detergents and soapless detergents behave differently in hard water because they

Choose an answer

Have different hydrophilic heads

Have different hydrophobic hydrocarbon chains

Have different pH values

Above A and C both

__________ is used for fruits, vegetables and tobacco

Choose an answer

Potassium Chloride

Potassium Sulphate

Potassium nitraite

All above

Cement is a mixture of

Choose an answer

Clay and clinker

Clay limestone and gypsum

Limestone and gypsum

Binder

To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temeperature between

Choose an answer

1100 ^o and 1200 ^oC

1200 ^o and 1300 ^oC

1400 ^o and 1500 ^oC

1900^o and 2000 ^oC

More Classes

Other Links

PPSC Chemistry Part VI Applied/Industrial Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer