WB Excise Model Set 2021[su_divider top=”no” size=”1″ margin=”5″]
(1)A liquid transmits pressure equally in all directions is denoted by –
(a) First Law of thermodynamics
(b) Archimedes Principle
(c) Pascal’s Law
(d) First Law of Fluid Dynamics
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(2) The most abundant element in the earth’s crust is :
(a) Carbon
(b) Iron
(c) Oxygen
(d) Nitrogen
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(3) The largest freshwater lake in world is
(a) Lake Michigan
(b) Lake Balkhash
(c) Lake Superior
(d) Lake Victoria
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(4) The substance that is added to make natural rubber strong and more bouncy is –
(a) Sponge
(b) Polythene
(c) Sulphur
(d) Chlorine
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(5) Which of the following volcanoes is situates in Mexico ?
(a) Etna
(b) Purace
(c) Semeru
(d) Colima
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: d[/su_spoiler]
(6) In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc will be
(a) 2:1
(b) 2:3
(c) 3:2
(d) 1:2
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: a[/su_spoiler]
(7) A cistern of capacity 8000 L measures externally 3.3 m by 2.6 m by 1.1 m qnd its walls are 5 cm thick. Then thickness of the bottom is
(a) 1.1 m
(b) 96 cm
(c) 1 dm
(d) 1 m
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(8) How may men will be required to plough 100 acres of land in 10 days, if 10 men require 8 days to plough 20 acres of land ?
(a) 50
(b) 30
(c) 40
(d) 60
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(9) A trader marked a watch 40% above the cost price and then gave a discount of 10%. He made a net profit of Rs.468 after paying a tax of 10% on the gross profit. What is the cost price of the watch ?
(a) Rs. 1700
(b) Rs. 2200
(c) Rs. 2000
(d) Rs. 1340
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]
(10) The diameter of a circle is 105 less than its circumference. What is the diameter of the circle?
- a) 42 cm
- b) 44 cm
- c) 49 cm
- d) 48 cm
[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]