chemical engineering Mcqs
802. A material subjected ________________ must have high resilience?
comments icon0

A. Vibration

B. Fatigue

C. Tension

D. Shock loading
804. Which of the following is not a current asset of a chemical company ?
comments icon0

A. Marketable securities

B. Inventories

C. Chemical equipments

D. None of these

805. Which of the following phenomenon/ phenomena is/are diffusion controlled ?
comments icon0

A. Cross-slip

B. Twinning

C. Dislocation climb

D. Recrystallisation
808. Scheduling provides information about the_________________?
comments icon0
A. Time of starting of job and also about how much work should be completed during a

B. Time of completion of job

C. Means to minimise idle time for machines

D. Proper utilisation of machines

E. ticular period</strong>

809. Direct costs component of the fixed capital consists of _____________________?
comments icon0

A. Raw material costs

B. Labour costs

C. Onsite and offsite costs

D. Contingencies

810. An oil is converted into fat by its___________________?
comments icon0
A. Hydrogenation

B. Hydrolysis

C. Hydrocracking

D. Hydration

811. Personnel working in the market research group is responsible for the job of__________________?
comments icon0

A. Cost estimation

B. Product evaluation

C. Equipment selection

D. Equipment design

812. Hookes law_______________________?
comments icon0

A. None of these

B. States that stress is inversely proportional to strain upto elastic limit

C. Applies beyond limit of proportionality in stress-strain curve

D. Applies to elastic deformation
814. Function of fusible plug in a boiler is to ______________________?
comments icon0
A. Put off fire in the furnace when water level in the boiler falls to unsafe limit

B. Drain out water and sludge from the boiler during repair

C. All A, B. & C

D. Guard the boiler in case of abnormal rise in steam pressure

821. In which of the electric power generation system, the operating cost is minimum ?
comments icon0

A. Thermal

B. Hydroelectric

C. Fast breeder reactor

D. Nuclear

824. Reaction of calcium carbide with water produces a gas, which is used_________________?
comments icon0

A. As an illuminant

B. For metal cutting/welding

C. Both A. & B.

D. Neither A. nor B.

826. Annual depreciation costs are constant, when the ______________ method of depreciation calculation is used ?
comments icon0
A. Straight line

B. None of these

C. Sum of the years digit

D. Declining balance

832. Batch process is preferred over continuous process, when the___________________?
comments icon0

A. Same equipment cannot be used for several processes of the same nature

B. Sales demand of product is not steady

C. Product yields and quality cannot be achieved in continuous process, because of long

D. idence time

E. All (A), B. & (C)

833. Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?
comments icon0

A. Parallel flow with unequal heat capacities

B. Counter flow with equal heat capacities

C. Parallel flow with equal heat capacities

D. Counter flow with unequal heat capacities

834. _______________ is not a case hardening process ?
comments icon0

A. Cyaniding

B. Annealing

C. Nitriding

D. Carburising
838. Six-tenth factor rule is used for estimating the_________________?
comments icon0

A. Cost of piping

B. Utilities cost

C. Equipment cost by scaling

D. Equipment installation cost

841. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
comments icon0

A. Mandrels, twist drills, small lathe tools and razors

B. Cutlery, screws, rivets and files

C. Small punches, broaches reamers and springs

D. Forgings like can shaft, structural steel plate, threading dies and drawing dies

842. _____________ method for profitability evaluation of a project does not account for investment cost due to land ?
comments icon0

A. Rate of return on investment

B. Discounted cash flow

C. Net present worth

D. Pay out period
844. Soap cannot be used with hard water, because _________________?
comments icon0
A. They form insoluble calcium soaps which precipitate

B. None of these

C. Hard water contains sulphate

D. They attract back the removed dirt

845. In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?
comments icon0
A. Furnace ? converter ? absorber

B. Converter ? furnace ? absorber

C. Furnace ? evaporator ? absorber

D. Furnace ? converter ? evaporator

849. ______________________ of quicklime produces slaked lime ?
comments icon0

A. Hydrogenation

B. None of these

C. Dehydration

D. Hydration
850. GASOHOL widely used in Brazil as a motor fuel is a mixture of alcohol and____________________?
comments icon0

A. Light hydrocarbon gases (e.g. butane or propane)

B. LPG

C. None of these

D. Petrol