Exam (elaborations) ENGINEERING MATHEMATICS MULTIPLE CHOICE

Conversion Problem 1 What is the temperature in degree Celsius of absolute zero? A. -32 B. 0 C. 273 D. -273 Problem 2 (ME April 1996) How many degrees Celsius is 100 degrees Fahrenheit? A. 37.8 °C B. 2.667 °C C. 1.334 °C D. 13.34 °C Problem 3 (ECE November 1997) A comfortable room temperature is 72 °F. What is this temperature, expressed in degrees Kelvin? A. 263 B. 290 C. 295 D. 275 Problem 4 255 °C is equivalent to: A. 491 °F B. 427 °F C. 173.67 °F D. 109.67 °F Problem 5 At what temperature will the °C and °F readings be equal? A. 40° B. -40° C. 32° D. 0° Problem 6 (ME October 1994) How many degree Celsius is 80 degrees Fahrenheit? A. 26.67 B. 86.4 C. 33.33 D. 16.33 Problem 7(EE October 1990) What is the absolute temperature of the freezing point of water in degree Rankine? A. -32 B. 0 C. 428 D. 492 Problem 8 The angle of inclination of the road is 32. What is the angle of inclination in mils? A. 456.23 B. 568.89 C. 125.36 D. 284.44 Problem 9 An angle measures x degrees. What is its measure in radians? A. 180° x / π B. π x / 180° C. 180° π / x D. 180° π x Problem 10 (ECE November 1995) Express 45° in mils. A. 80 mils B. 800 mils C. 8000 mils D. 80000mils Problem 11 (ME April 1997) What is the value in degrees of π radians? A. 90° B. 57.3° C. 180° D. 45° Problem 12(CE May 1993) How many degrees is 3200° mils? A. 360° B. 270° C. 180° D. 90° Problem 13 (ECE November 1995) An angular unit equivalent to 1/400 of the circumference of a circle is called: A. mil B. grad C. radian D. degree Problem 14 (EE October 1994) Carry out the following multiplication and express your answer in cubic meters: 3cm×5mm×2m. A. 3 x 10-3 B. 3 x 10-4 C. 8 x 10-2 D. 8 x 102 Problem 15 (ME April 1994) Add the following and express in meters: 3m + 2cm + 70mm A. 2.90 m B. 3.14 m C. 3.12 m D. 3.09 m Problem 16 One nautical mile is equivalent to: A. 5280 ft. B. 6280 ft. C. 1.256 statute mile D. 1.854 km Problem 17 (ME October 1991) How many square feet is 100 square meters? A. 328.10 B. 956.36 C. 1075.84 D. 156 Problem 18 A tank contains 1500 gallons of water. What is the equivalent in cubic liters? A. 4.256 B. 5.865 C. 6 D. 5.685 Problem 19 (ME October 1994) How many cubic feet is equivalent to 100 gallons of water? A. 74.80 B. 1.337 C. 13.37 D. 133.7 Problem 20 (ME April 1998) How many cubic meters is 100 gallons of liquid? A. 0.1638 cu. meters B. 1.638 cu. meters C. 0.3785 cu. meters D. 3.7850 cu. meters Problem 21 (ME October 1995) The number of board feet in a plank 3 inches thick, 1 foot wide, and 20 feet long is: A. 30 B. 60 C. 120 D. 90 Problem 22 Which of the following is correct? A. 1horsepower = 746kW B. 1horsepower = 0.746watts C. 1 horsepower = 0.746kW D. 1 horsepower = 546 watts Problem 23 (ME October 1996) The acceleration due to gravity in English unit is equivalent to? A. 32.2 ft/sec2 B. 3.22 ft/sec2 C. 9.81 ft/sec2 D. 98.1 ft/sec2 Problem 24 (ME April 1999) The prefix nano is opposite to: A. mega B. tera C. hexa D. giga Problem 25(ME October 1996) 10 to the 12th power is the value of the prefix: A. giga B. pico C. tera D. peta Exponents and Radicals Problem 26 Solve for x: x = -(1/-27)-2/3 A. 9 B. 1/9 C. -9 D. -1/9 Problem 27 Solve for a in the equation: a = 64x4y A. 4x+3y B. 43xy C. 256xy D. 43x+y Problem 28 Simplify 3x - 3x-1 - 3x-2