Applied Chemistry Mock Test 1

10%

Question 1 of 10

1. High % of moisture is undesirable because _________

increases the cost of efficiency

increases the cost of transport

increases the cost of calorific value

decreases the cost of storage cost

Question 1 of 10

Question 2 of 10

2. % of nitrogen can be determined by the process _________

orsat’s apparatus

kjeldahl’s method

fractional distillation

dulong’s formula

Question 2 of 10

Question 3 of 10

3. What are the best anti knocking reagents of petrol?

straight chain alkanes

straight chain alkenes

alkynes

aromatics

Question 3 of 10

Question 4 of 10

4. To remove sulphur compounds from petroleum, it is treated with __________

copper nitrate

magnesium chloride

copper oxide

sodium chloride

Question 4 of 10

Question 5 of 10

5. The flame colour of the aromatic compounds is ________

green

yellow

pink

orange

Question 5 of 10

Question 6 of 10

6. Which of the following statements is correct?

1B.Th.U=252Cal

1k.Cal=4C.H.U

1k.Cal=2B.Th.U

1k.Cal=100Cal

Question 6 of 10

Question 7 of 10

7. A coal has the following composition by weight:
C=90%, O=4%, N=1%, S=0.5% and ash=5%.The NCV of the fuel was found to be 8480cal/g. Calculate the percentage of hydrogen and HCV of the fuel.

H=4.1%, HCV=8221.37cal/g

H=4.686%, HCV=8727.37cal/g

H=4.21%, HCV=8621.80cal/g

H=4.521%, HCV=8221.80cal/g

Question 7 of 10

Question 8 of 10

8. One of the disadvantages of solid fuel is _________

transportation

clinker formation

moderate ignition temperature

storage

Question 8 of 10

Question 9 of 10

9. Paraffins are mostly used as _______

lubricant

catalyst

dye

coolent

Question 9 of 10

Question 10 of 10

10. The moisture content of the good fuel must be _________

High in amount

Low in amount

70%

50%

Question 10 of 10