U 302 B

 Force ratio / movement ratio is used to determines a machine's

• efficiency

• mechanical advantage

• velocity ratio

• productivity

2.5³ correct to three decimal place is equal to

• 16.625

• 15.625

• 14.625

• 15.005

 2,5^1.8 correct to three decimal places is equal to

• 5.987

• 5.987

• 5.550

• 5.203

Which one of the following values is equal to 6-3?

• 1/9

• 1/18

• 1/216

• 1/600

Which one of the following is the correct factorization of the expression

3x + xy – xz?

• 3x ( 3 + yz )

• x ( 3 + y-z )

• x ( 3y—z)

• yz(3-x3)

 Solve the equation 4y - 8 = 3y - 4

• Y = 2

• Y = 3

• Y = 4

• Y = 5

Which of the following gives the correct value for A in the formula

A = h (a + b), where h= 8, a = 6 and b = 10

• 16

• 32

• 64

• 128

Referring to triangle ABC shown in the diagram, sin A is given by

• a/b

• a/c

• c/b

• c/a

. Referring to triangle ABC, when sin A = 3/5 the length of AB is ………..

• 3

• 4

• 5

• 2

Equal volumes of two dissimilar metals A and B have relative densities of 8.0 and 3.2 respectively.

When the mass of A is 7455 kg the mass of B is ……………..

• 2900 Kg

• 2682 Kg

• 2982 Kg

• 2682 Kg