Easa module 1 math mcq 2

What torque loading would you apply to a nut if the force is 50 lbs, exerted 2 feet from its axis?
 Ans. a) 100 lbs.ft
b) 251 lbs.ft
c) 600 lbs.ft

67 divided by 127 is equal to
a) 1/20
 Ans. b) 1/128
c) ½

The formula for calculating the torque loading on a nut or bolt is
a) Force used x diameter of the bolt
 Ans. b) Force used x lever length of the spanner
c) Lever length of the spanner
Threads per inch

Calculate the height of an obtuse triangle whose base is X cm and the area is Y square cm.
a) Y x 2 x X
B) Y + X
2
 Ans. c) Y x 2
X

How is the area of a circle calculated?
 Ans. a) r2 x 3.142
b) d2 x 3.142
c) 2 x 3.142 x r

Solve the following
9/4 + 5/12 + 1 3/8 =
 Ans. a) 4 1/24
b) 2 25/24
c) 4 1/12

The specific torque loading for a bolt is 50 lbs.ins but an extension of 2” is needed to reach the bolt in addition to the 8” torque wrench. What will the actual reading?
a) 54 lb.ins
 Ans. b) 40 lb.ins
c) 60 lb.ins

Express the fraction 7 / 8 as a decimal
 Ans. a) 0.875
b) 0.785
c) 0.878

Solve 0.75 X 0.003
a) 0.225
b) 0.0225
 Ans. c) 0.00225

Convert 162 knots to mph
 Ans. a) 186 mph
b) 176 mph
c) 196 mph

To convert inches to millimeters, it is necessary to
 Ans. a) multiply by 25.4
b) divide by 25.4
c) multiply by 2.54

¾ x 82 =
a) 123
 Ans. b) 61.5
c) 81.5

A circular patch is held together by seven equally spaced rivets, what is their angular relationship?
a) 51.50o
 Ans. b) 51.43o
c) 52o

Add together; 3/4, 5/16, 7/8 and 0.375
a) 2 1/8
b) 2 ¼
 Ans. c) 2 5/16

Given that A = X + BY, what is Y equal to?
a) A - X minus B
b) A - X add B
 Ans. c) A - X divided by B

A right-angled triangle has sides of 3 inches and 4 inches, what will the third side be?
a) 6 inches
 Ans. b) 5 inches
c) 5.5 inches

To convert pounds of fuel into kilograms, it is necessary to
a) multiply by 4536
 Ans. b) multiply by 0.4536
c) divide by 0.4536

If resin to hardener is used in the ratio of 1000:45, how much hardener is used with 60 grams of resin
a) 47 grams
 Ans. b) 2.7 grams
c) 145 grams

Solve the following
11/16 + 5/8
a) 55/128
 Ans. b) 1 5/16
c) 1 1/10

6 mm is equal to
a) 0.625”
b) 0.375”
 Ans. c) 0.236”

To work out the circumference of a circle
 Ans. a) D x 3.142
b) D x 0.3142
c) D - 3.142

Weight is equal to
a) volume x gravity
b) mass x acceleration
 Ans. c) mass x gravity

8 + 4[5 x 2 (5 – 9/3)]
 Ans. a) Eighty Eight
b) Forty Eight
c) Twelve

To convert gallons to liters
a) multiply by 0.568
 Ans. b) multiply by 4.55
c) multiply by 0.00455

V = (a + b) r2 Find a
a) V – r2 – b
b) (V – b)/ r2
 Ans. c) V / r2 – b

A quadrilateral with only two parallel sides is a
 Ans. a) Trapezoid
b) Trapezium
c) Rhombus

2x2z2 (3x – z2) =
 Ans. a) 6x3z2 – 2x2z4
b) 6x2z2 – 2x2z2
c) 6x2z2 + 3x – z2

A cylinder has a diameter of 20 cm and a length of 20 cm, what is its volume?
a) 400cm3
b) 1240cm3
 Ans. c) 6200cm3

3 1/8 – 1 1/5 =
 Ans. a) 1 37/40
b) 1 3/40
c) 2 3/40

Make m the subject of the formula y = mx + c
 Ans. a) y - c
x
b) y - x
c
c) y - c
x

Make x the subject of the formula y = mx + c
 Ans. a) y - c
m
b) y - m
c
c) y - c
m

Make c the subject of the formula y = mx + c
a) y + mx
 Ans. b) y - mx
c) mx - y

What is the formula for calculating the curved area of a cone?
a) p x radius2 x height
 Ans. b) p x radius x height
c) 2/3 x p x radius x height

A triangle with equal angles is called
a) isosceles
 Ans. b) equilateral
c) right angled

Two gears are in mesh, one is larger than the other, the smaller gear rotates
a) at the same speed
b) at a lower speed
 Ans. c) at a faster speed

Calculate 10 x 23 + 10 x 25
a) 32,008,000
b) 520
 Ans. c) 400

In a right angle triangle, the sine of an angle is
 Ans. a) opposite divided by hypotenuse
b) adjacent divided by hypotenuse
c) opposite divided by adjacent

In a right angle triangle, the tangent of an angle is
a) opposite divided by hypotenuse
b) adjacent divided by hypotenuse
 Ans. c) opposite divided by adjacent

In a right angle triangle, the cosine of an angle is
a) opposite divided by hypotenuse
 Ans