Power Engineering 3A1 - Ch1 - Algebraic Operations, Logarithms and Problem Solving fully solved

Power Engineering 3A1 - Ch1 - Algebraic
Operations, Logarithms and Problem
Solving fully solved

The base used in common logarithms is:

Select one:

A. e

B. 1

C. 10

D. 100 - correct answer ✔✔C



What is the value of X in the following fractional equation:(x/2) + (3x/4) = (4.5/3)

Select one:

A. 0.83

B. 1.2

C. 1.5

D. 1.66

E. 2.0. - correct answer ✔✔B



In the expression 4² = 16, the number '4' is called the _____ of 16.

Select one:

A. Square root.

B. Cube root.

C. Square.

D. Cube.

E. Multiplicand. - correct answer ✔✔A

, Find 'u' if v² = u² + 2as, given that v = 34 m/s, a = 9.81 m/s², and s = 8 m.

Select one:

A. 31.6 m/s

B. 36.2 m/s

C. 1334.6 m/s

D. 999 m/s

E. 2668.3 m/s. - correct answer ✔✔A



The common logarithm of a number is _________ times its natural logarithm.

Select one:

A. 32.026

B. 23.3026

C. 13.3026

D. 0.1

E. 2.3026. - correct answer ✔✔E



Find the antilogarithm of 3.7996.

Select one:

A. 6303.76

B. 630.4

C. 3

D. 63

E. 6.3 - correct answer ✔✔A



The common and Naperian logarithms for the number 272 are:

Select one:

A. 1.4346, 3.3032

B. 2.4346, 5.6058

C. 3.4345, 7.9084