Problems XIV
- The tangent of an angle is equal to _____?
- The product of two cosines with different angles produces _____?
- Tan(b + 90) is equal to what?
- What is cos b equat to _____?
- Given that: A/B = 2 units with a direction of 180o
- A + C = 10 - j15
- B = x + jy and C is the conjugate of B.
What is A in rectangular form?
- The value is: (3/4) log(1/8) (1/128)?
- To what base is the following indicated operation correct, 3 + 4 = 12?
- Which of the following is NOT a characteristics of a force?
- resultant
- direction or sense
- magnitude
- line of action
- Which of the following is NOT a vector quantity?
- mass
- torque
- electric intensity field
- line of action
- Which of the following is NOT a method of determining the bar force of a truss member?
- method of virtual work
- method of joint
- method of section
- maxwell diagram
- Which of the following is NOT correct?
- The derivative of the product of two functions is equal to the first times the derivative of the second times the second times the derivative of the first.
- The derivative of the quotient of two fucntions is equal to the denominator times the derivative of the numerator minus the numerator times the derivative of the denominator, all divided by the square of the denominator.
- The derivative of a constant is zero.
- The derivative of the sum of two funcions is equal to the sum of their derivatives.
- In calculus, all functions are classified as either algebraic or transcendental. Which of the following is NOT an algebraic function?
- exponential logarithmic function
- rational integral function
- rational fractional function
- irrational function
- Which of the following statements is correct?
- All equilateral triangles are similar.
- All right-angled traingles are similar.
- All isosceles triangles are similar.
- All rectangles are similar.
- Which of the following is NOT a property of a circle?
- The arcs of two circles subtended by equal central angles are equal.
- Through 3 points not in a straight line, only one circle can be drawn.
- A tangent to a circle is perpendicular to the radius at the point of tangency and conversely.
- The inscribed angle is measured one half of the intercepted arc.
- Which of the following is NOT a triangle?
- The sum of two sides of the triangle is less than the third side.
- The sum of the three angles of the triangle is equal to a straight angle.
- If the two sides of the triangle are unequal, the angles opposite are unequal.
- The altitudes of a straight triangle meet in a point.
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