System of Numbers and Conversion Reviewer Part 1

Start Practice Exam Test Questions  A. 149.69
Part 1 of the Series  B. 149.7
 C. 150
Choose the letter of the best answer in each  D 149
questions.

Problem 1: ME Board October 1996 Problem 6: ECE Board April 1991

How many significant digits do 10 097 Round off 2.371 x 108 to two significant
have? figures.

 A. 2  A. 2.4 x 10-8
 B. 3  B. 2.37 x 10-8
 C. 4  C 0.2371 x 10-9
 D. 5  D. 0.002371 x 10-11


Problem 2: ECE Board April 1991 Problem 7: EE Board October 1994

Round off 0.003086 to three significant 7 + 0i is
figures.
 A. irrational number
 A. 0.003  B. real number
 B. 0.00309  C. imaginary number
 C. 0.0031  D. a variable
 D. 0 00308

Problem 8: ECE Board March 1996
Problem 3: ECE Board April 1991
The number 0.123123123123 .. . is
Round off 34.2814 to four significant
figures.  A. irrational
 B. surd
 A 34 2814  C. rational
 B. 34.281  D. transcendental
 C. 34.28
 D 34.0
Problem 9: ECE Board April 1991

Problem 4: ME Board April 1996 Round off 6785768.342 to the nearest
one-tenth.
Which number has three significant
figures?  A. 6785768
 B 6785768.4
 A. 0.0014  C. 6785768.3
 B. 1.4141  D None of these
 C. 0.01414
 D. 0.0141
Problem 10: EE Board April 1993

Problem 5: ECE Board April 1991 Express decimally. Fourteen Ten
thousandths
Round off 149.691 to the nearest integer

,  A. 0.0014  B. 800 mils
 B. 0.00014  C. 8000 mils
 C 0.014  D. 80000 mils
 D 0.14

Problem 16: ME Board April 1997
Problem 11: ECE Board March 1996
What is the value in degrees of 1 radian?
MCMXCIV is equivalent to what number?
 A. 90
 A. 1964  B. 57.3
 B. 1994  C. 100
 C. 1984  D. 45
 D. 1974

Problem 17: CE Board May 1993
Problem 12: EE Board April 1993
3200 mils is equal to how many degrees?
Express decimally: Fourty-Sevenmillionth
 A. 45°
 A. 0 00000047  B. 90°
 B. 0.0000047  C. 180°
 C. 0.000047  D. 270°
 D. 0.000000047

Problem 18: ECE Board November
Problem 13: EE Board April 1993 1995

Express decimally: Seven hundred An angular unit equivalent to 1/400 of the
twenty-five hundred thousandths circumference of a circle is called

 A. 0.000725  A. mil
 B. 0.00725  B. degree
 C. 0.0725  C radian
 D. 0.725  D. grad


Problem 14: EE Board April 1993 Problem 19: ECE Board April 1999

Express decimally: Four and two tenth 4800 mils is equivalent to _____ degrees.

 A. 0.042  A. 135
 B. 4.02  B. 270
 C. 4.2  C. 235
 D 0.42  D. 142


Problem 15: ECE Board November Problem 20: ME Board April 1996
1995
How many degrees Celsius is 100 degrees
Express 45° in mils Fahrenheit?

 A. 80 mile  A. 2.667° C