981. The forces acting normally on the cross sec- Fig. 21.1 don of a bar shown in Fig. 21.2 introduce
A. compressive streSs
B. tensile stress
C. shear stress
D. none of these.

982. The forces acting on the bar as shown in Fig. 21.3 introduce
A. compressive stress
B. tensile stress
C. shear stress
D. none of these.

983. Stress may be defined as
A. force per unit length
B. force per unit volume
C. force per unit area
D. none of these.

984. Stress may be expressed in Newtons
A. per millimetre square (N/mm2)
B. per centimetre square (N/cm2)
C. per metre square (N/m2)
D. none of these.

985. If P is principal amount, i is the rate of interest and n is the number of periods in years, then the interest factor is:
A. (1 + ni)
B. (ni ? 1)
C. ni
D. None of these

986. The interest calculated on the basis of 365 days a year, is known as :
A. interest
B. ordinary simple interest
C. exact simple interest
D. None of these

987. The product of CAF (S P) and PWF (SP) is :
A. 1/2
B.1
C. 1/3
D.4

988. Annuities involve :
A. a series of payments
B. all payments of equal amount
C. payment at equal time intervals
D. All of these

989. The annuity which refers to a debt payment for recovering the initial amount or capital in equal periodic payments, is known as ;
A. Present Worth Annuity
B. Sinking fund annuity
C. Compound annuity
D. Capacity recovery annuity

990. If a seller recovers his capital along with accumulated compensating interest not in one single lumpsum payment but in periodical equal payments, over time :
A. Capital Recovery Annuity is availed
B. Present work Annuity is availed
C. Sinking Fund Annuity is availed
D. Sinking Fund Annuity is availed

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