This is the Multiples Choice Questions Part 1 of the Series in System of Numbers and Conversion as one of the Engineering Mathematics topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Engineering Mathematics, Mathematics Books, Journals and other Mathematics References.
Multiple Choice Questions Topic Outline
- MCQs in Systems of Numbers | MCQs in Cardinal and Ordinal Numbers | MCQs in Numerals and Digit | MCQs in Real Numbers | MCQs in Imaginary Number | MCQs in Complex Number | MCQs in Fractions | MCQs in Composite Numbers | MCQs in Prime Numbers | MCQs in Perfect Number | MCQs in Defective and Abundant Numbers | MCQs in Amicable Numbers | MCQs in Factorial | MCQs in Significant Figures | MCQs in Rounding and Truncation
Online Questions and Answers in System of Numbers and Conversion Series
Following is the list of multiple choice questions in this brand new series:
Start Practice Exam Test Questions Part I of the Series
Choose the letter of the best answer in each questions.
Problem 1: ME Board October 1996
How many significant digits do 10 097 have?
- A. 2
- B. 3
- C. 4
- D. 5
Problem 2: ECE Board April 1991
Round off 0.003086 to three significant figures.
- A. 0.003
- B. 0.00309
- C. 0.0031
- D. 0 00308
Problem 3: ECE Board April 1991
Round off 34.2814 to four significant figures.
- A 34 2814
- B. 34.281
- C. 34.28
- D 34.0
Problem 4: ME Board April 1996
Which number has three significant figures?
- A. 0.0014
- B. 1.4141
- C. 0.01414
- D. 0.0141
Problem 5: ECE Board April 1991
Round off 149.691 to the nearest integer
- A. 149.69
- B. 149.7
- C. 150
- D 149
Problem 6: ECE Board April 1991
Round off 2.371 x 108 to two significant figures.
- A. 2.4 x 10-8
- B. 2.37 x 10-8
- C 0.2371 x 10-9
- D. 0.002371 x 10-11
Problem 7: EE Board October 1994
7 + 0i is
- A. irrational number
- B. real number
- C. imaginary number
- D. a variable
Problem 8: ECE Board March 1996
The number 0.123123123123 .. . is
- A. irrational
- B. surd
- C. rational
- D. transcendental
Problem 9: ECE Board April 1991
Round off 6785768.342 to the nearest one-tenth.
- A. 6785768
- B 6785768.4
- C. 6785768.3
- D None of these
Problem 10: EE Board April 1993
Express decimally. Fourteen Ten thousandths
- A. 0.0014
- B. 0.00014
- C 0.014
- D 0.14
Problem 11: ECE Board March 1996
MCMXCIV is equivalent to what number?
- A. 1964
- B. 1994
- C. 1984
- D. 1974
Problem 12: EE Board April 1993
Express decimally: Fourty-Sevenmillionth
- A. 0 00000047
- B. 0.0000047
- C. 0.000047
- D. 0.000000047
Problem 13: EE Board April 1993
Express decimally: Seven hundred twenty-five hundred thousandths
- A. 0.000725
- B. 0.00725
- C. 0.0725
- D. 0.725
Problem 14: EE Board April 1993
Express decimally: Four and two tenth
- A. 0.042
- B. 4.02
- C. 4.2
- D 0.42
Problem 15: ECE Board November 1995
Express 45° in mils
- A. 80 mile
- B. 800 mils
- C. 8000 mils
- D. 80000 mils
Problem 16: ME Board April 1997
What is the value in degrees of 1 radian?
- A. 90
- B. 57.3
- C. 100
- D. 45
Problem 17: CE Board May 1993
3200 mils is equal to how many degrees?
- A. 45°
- B. 90°
- C. 180°
- D. 270°
Problem 18: ECE Board November 1995
An angular unit equivalent to 1/400 of the circumference of a circle is called
- A. mil
- B. degree
- C radian
- D. grad
Problem 19: ECE Board April 1999
4800 mils is equivalent to _____ degrees.
- A. 135
- B. 270
- C. 235
- D. 142
Problem 20: ME Board April 1996
How many degrees Celsius is 100 degrees Fahrenheit?
- A. 2.667° C
- B. 1.334' C
- C. 13.34° C
- D. 37.8° C
Problem 21: EE Board October 1990
What is the absolute temperature of the freezing point of water in degree Rankine?
- A. 492
- B. 0
- C. 460
- D. 273
Problem 22: ME Board October 1994
What is the Fahrenheit equivalent of 100 degrees Celsius?
- A. 200
- B. 180
- C. 212
- D. 100
Problem 23: EE Board April 1993
The temperature 45° C is equal to
- A. 45° F
- B. 113° F
- C. 57° F
- D 81° F
Problem 24: ME Board October 1994
How many degrees Celsius is 80 degrees Fahrenheit?
- A. 13.34
- B. 1.334
- C. 26.67
- D. 2.667
Problem 25: ME Board October 1996
10 to the 12th power is the value of the prefix
- A. micro
- B. femto
- C. teta
- D. atto
Problem 26: EE Board October 1994
The micro or µ means
- A. 10-2
- B. 10-6
- C. 10-3
- D 10-12
Problem 27: RME Board October 1994
The prefix pico means
- A. 10-12 of a unit
- B. 10-6 of a unit
- C. 10-15 of a unit
- D. 10-9 of a unit
Problem 28: ME Board April 1999
The prefix nano is opposite to
- A. mega
- B. giga
- C. tera
- D hexa
Problem 29:
1 foot is to 12 inches as 1 yard is to spans.
- A. 4
- B. 6
- C. 9
- D. 24
Problem 30: EE Board June 1990
A one-inch diameter conduit is equivalent to
- A. 254 mm
- B. 25.4 mm
- C. 100 mm
- D. 2 54 mm
Problem 31:
If a foot has 12 inches. then how many hands are there in one foot?
- A. 3
- B. 4
- C. 6
- D. 8
Problem 32:
How many feet difference is 1 nautical mile and 1 statute mile?
- A. 100 feet
- B. 200 feet
- C. 400 feet
- D. 800 feet
Problem 33:
In a hydrographic survey, a certain point below the surface of the water measures 12 fathoms. It is equivalent to a deep of how many feet?
- A. 72
- B. 60
- C. 48
- D. 36
Problem 34:
The legendary ship, Titanic that slink in 1912 was estimated to be at the sea bottom at a deep of 18 cables. How deep it is in feet?
- A. 12,000
- B. 12.343
- C. 12,633
- D. 12,960
Problem 35: ME Board October 1994
How many square feet is 100 square meters?
- A 328.1
- B. 929
- C. 32.81
- D. 1076
Problem 36:
A certain luxury ship cruises Cebu to Manila at 21 knots. If it will take 21 hours to reach Manila from Cebu. the distance travelled by the ship is nearly
- A. 847 5 km
- B. 507.15 statute mile
- C. 441 statute mile
- D. 414 nautical mile
Problem 37: EE Board October 1994
Carry out the following multiplication and express your answer in cubic meter: 8 cm x 5 mm x 2m.
- A. 8 x 10-2
- B. 8 x 102
- C. 8 x 10-3
- D. 8 x 10-4
Problem 38:
Which of the following is equivalent to 1 hectare?
- A. 100 ares
- B. 2 acres
- C. 1000 square meters
- D. 50000 square feet
Problem 39:
Ten square statute miles is equivalent to sections.
- A. 100
- B. 5
- C. 10
- D. 20
Problem 40:
The land area of the province of Cebu is 5088.39 sq. km. This is equivalent to
- A. 5088.39 hectares
- B. 1964.64 sq. miles
- C. 2257907.2 acres
- D. 5.08839 acres
Problem 41: ME Board October 1994
How many cubic feet is 100 gallons of liquid?
- A. 74.80
- B. 1.337
- C. 13.37
- D. 133.7
Problem 42: ME Board October 1994, ME Board April 1998
How many cubic meters is 100 gallons of liquid?
- A. 1.638
- B. 3.785
- C. 0.164
- D. 0.378
Problem 43: ME Board October 1994
How many cubic meters is 100 cubic feet of liquid?
- A. 3.785
- B. 28.31
- C. 37.85
- D. 2.831
Problem 44:
Ten (10) cubic meter is equivalent to how many stere?
- A. 5
- B. 10
- C. 20
- D. 100
Problem 45: ME Board April 1995
The standard acceleration due to gravity is
- A. 32.2 ft/s2
- B. 980 ft/s2
- C. 58.3 ft/s2
- D. 35.3 ft/s2
Problem 46: ME Board October 1996
A 7 kg mass is suspended in a rope. What is the tension in the rope in SI?
- A. 68.67 N
- B. 70 N
- C. 71 N
- D. 72 N
Problem 47:
A 10-liter pail is full of water. Neglecting the weight of the pail, how heavy is its water content?
- A. 5 kg
- B. 6.67 kg
- C. 10 kg
- D. 12.5 kg
Problem 48:
The unit of work in the mks system is known as joule (J) and the unit of work in the cgs system is erg. How many ergs are there in one joule?
- A. 106
- B. 107
- C. 105
- D. 104
Problem 49: ME Board April 1998
One horsepower is equivalent to
- A. 746 watts
- B. 7460 watts
- C. 74.6 watts
- D. 7.46 watts
Problem 50: ME Board October 1994
How many horsepower is 746 kilowatts?
- A. 500
- B. 74.6
- C. 100
- D. 1000
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where is the part 2?