Related Questions

In the following sentence the word principal' occurs three times "The principal (1) aim of the principal (2) of the college was to help build new roads to link the area's principal (3)schools" Indicate the use(s) in which the meaning of the word “Principal is ‘chief or main',
A Use (1)
B Use(2)
C Use (3)
D Both (1) & (3)
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
The ratio of the shear stress to the principal stress on a principal plane is
A 0
B 1
C $$\frac{1}{2}$$
D $$\frac{1}{3}$$
When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
A Equal to
B One-half
C Two-third
D Twice
According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.
A 0.5
B 2
C $$\sqrt 2 $$
D $$\sqrt {\frac{3}{2}} $$
According to maximum normal stress theory, the maximum normal stress in the shaft is
A $$\frac{1}{2}\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$
B $$\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$
C $$\frac{1}{2}\left( {\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} } \right)$$
D $$\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} $$
What is defined as the investment of loan or principal which is based not only on the original amount of the loan or principal but the amount of loaned or principal plus the previous accumulated interest?
A Effective rate of interest
B Nominal rate of interest
C Compound interest
D Simple interest
Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year at 8% interest rate. From the 2nd year, he invested the principal amount in another account offering 10% interest for 3 years. At the beginning of the fifth year he invested the Principal amount in another account at the rate of 11%. What was the principal amount? (assume simple interest rate)
A Tk. 50,000
B Tk. 80,000
C Tk. 70,000
D Tk. 90,000
E None of them
Maximum principal stress theory for the failure of a material at elastic point, is known
A Guest's or Trecas' theory
B St. Venant's theory
C Rankine's theory
D Von Mises' theory
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)
A $$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$
B $$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$
C $$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$
D $$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$

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