Question Paper

PART- A (WORKSHOP CALCULATION & SCIENCE)
(75)
Choose the correct answer:
1.If the area of square plate is 2025 mm², then find the side-
a. 65 mm
b. 55 mm
c. 45mm
d. 35 mm

Choose the correct answer.

1. Which of following is rule of indices?
a) x^a ÷ x^b = x^a+b
b  x^a  ÷ x^b = x^a-b
c  x⁶ ÷  x^b= x^ab
d) All of these

2. If the sum of roots are 12 and product of roots is 30, then the equation will be_____
a) x²-10x+30=3
b) x²-10x-30=0
c) x²-30x+10=1
d) None of these

Choose the correct answer.

1.Tan45°, cot 45°=

a. 1
b.1/2
c.1/√2
d. 0

2. Circumference of a circle is given by______
a. πD 

b. 2r
c. Both (a) & (b)
d. Neither a nor b

3.The area of a parallelogram is 72 cm and its altitude is twice the corresponding base. Then
the length of the base is_____.
a. 12 cm
b. 9 cm
C. 6 cm
d. 3 cm

4.The ratio of area of a circle to the area of semi-circle is-
a. 1:2
b .2: 1
c..4:1
d.1:4

Choose the correct answers:
1. 0.1 x 0.01 =
a) 0.1
b) 0.01
c) 0.001
d) 0.0001

WORKSHOP CALCULATION & SCIENCE SEM 2 JAN 2018


1. Which one of the following is equal to am X an
  m n mn m/n
b) a

Mechanical equivalent of heat is ........
a) 4200 J/kgoc
b) 42.00 J/kgoc 
c) 420.0 J/kgoc
d) 4.20 J/kgoc

Basic unit of current is
a) Micro amps
b) Millie amps
c) Amps 
d) Kilo amps

Find the value of y if (3/5) .....(15/5y) = 3/4
b) -98 c) -100 d) -102

MARKS: 75
Note: Attempt All the questions.
All questions carry equal marks.
Choose the correct answers:
1.Which of the following property is affected by heat treatment?
(a) Hardness
(b) Strength
(c) Ductility
(d) All of these

2. Annealing involves heating the component to a temperature......
(a) Slightly below the critical temperature
(b) Equal to critical temperature
(c) Slightly above the critical temperature
(d) None of these