Related Questions

For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory
A Is always less than 1
B Is always greater than 1
C Can be more than 1
D Can be less than 1
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
A 0.2
B 0.3
C 0.4
D 0.5
If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)
A $$\frac{{\text{M}}}{{100{\text{Q}}}}$$
B $$\frac{{\text{M}}}{{10\sqrt {\text{Q}} }}$$
C $$\sqrt {\frac{{\text{M}}}{{\text{Q}}}} $$
D $$\sqrt {\frac{{\text{M}}}{{100{\text{Q}}}}} $$
The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where $$\delta {\text{S}}$$ = Static deflection of simply supported shaft due to uniformly distributed load)
A $$\frac{{0.4985}}{{\sqrt {\delta {\text{S}}} }}$$
B $$\frac{{0.5615}}{{\sqrt {\delta {\text{S}}} }}$$
C $$\frac{{0.571}}{{\sqrt {\delta {\text{S}}} }}$$
D $$\frac{{0.6253}}{{\sqrt {\delta {\text{S}}} }}$$
The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where $$\delta $$ = Static deflection of a simply supported shaft due to the point load)
A $$\frac{{0.4985}}{{\sqrt \delta }}$$
B $$\frac{{0.5615}}{{\sqrt \delta }}$$
C $$\frac{{0.571}}{{\sqrt \delta }}$$
D $$\frac{{0.6253}}{{\sqrt \delta }}$$
কাগজের ভার হিসাবে ব্যবহৃত একটি পুরু কাচ (প্রতিসরাঙ্ক 1.5) খন্ডের উপর থেকে খাড়া নীচের দিকে তাকালে কাগজের উপর একটি দাগ কাচের উপর প্রান্ত থেকে 6 cm নীচে দেখা যায়। কাচ খন্ডতির পুরুত্ব কত? (When you look downward from the top of a thick glass (refractive index 1.5) slab used as a paper weight, a mark on the paper is seen 6 cm below from the top of the slab. What is the thickness of the glass slab?)
A 4 cm
B 6 cm
C 9 cm
D 12 cm
কাগজের ভার হিসাবে ব্যবহৃত একটি পুরু কাচ (প্রতিসরাঙ্ক 1.5) খণ্ডের উপর থেকে খাড়া নীচের দিকে তাকালে কাগজের উপর একটি দাগ কাচের উপর প্রান্ত থেকে 6 cm নীচে দেখা যায়। কাচ খন্ডটির পুরুত্ব কত? (When you look downward from the top of a thick glass (refractive index 1.5) slab used as a paper weight, a mark on the paper is seen 6 cm below from the top of the slab. What is the thickness of the glass slab?)
A 4 cm
B 6 cm
C 9 cm
D 12 cm
The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
A 25
B 30
C 35
D 40
If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by
A $$\frac{5}{6}\left( {\frac{{\text{r}}}{{1 + {{\text{r}}^2}}}} \right){\text{M}}$$
B $$\frac{5}{6}\left( {\frac{{{{\text{r}}^2}}}{{1 + {{\text{r}}^2}}}} \right){\text{M}}$$
C $$\frac{5}{6}\left( {\frac{{{{\text{r}}^2}}}{{1 + {{\text{r}}^3}}}} \right){\text{M}}$$
D $$\frac{5}{6}\left( {\frac{{{{\text{r}}^2}}}{{1 + {{\text{r}}^4}}}} \right){\text{M}}$$
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
A 35
B 25
C 30
D 20

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