1. The shearing stress developed at the neutral axis of a beam with circular cross section is a) (3/4) (V / tr). b)(4/3)(V / 2n r). c) (4/3) (V / ar). d) (4/3) (V / a r). 2. The unit kPa means 2 a) 1000kN/mm b) 1000N/mm c) 1000N/m d) 1MN/m 2 The maximum deflection & in a simply supported beam of length L carrying a concentrated load P at midspan is equal to the 3. a) PL/42EI b) PL/44EI c) PL/48EI d) PL/84EI 4. If the principal stress is 80 MPa in tension and 20 MPa in compression then the maximum shearing stress is equal to the ------ MPa. a) 10 b) 40 c) 50 d) 30

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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1.
The shearing stress developed at the neutral axis of a beam with circular cross section is
a) (3/4) (V / rr). b) (4/3) (V / 2r r). c) (4/3) (V / tr). d) (4/3) (V / a r).
2.
The unit kPa means
2
a) 1000KN/mm
2
b) 1000N/mm ?
c) 1000N/m 2
d) 1MN/m
The maximum deflection & in a simply supported beam of length L carrying a
concentrated load P at midspan is equal to the
3.
a) PL/42EI
b) PL²/44EI
c) PL/48EI
d) PL/84EI
4.
If the principal stress is 80 MPa in tension and 20 MPa in compression then the
maximum shearing stress is equal to the -----
MPа.
a) 10
b) 40
c) 50
d) 30
Transcribed Image Text:1. The shearing stress developed at the neutral axis of a beam with circular cross section is a) (3/4) (V / rr). b) (4/3) (V / 2r r). c) (4/3) (V / tr). d) (4/3) (V / a r). 2. The unit kPa means 2 a) 1000KN/mm 2 b) 1000N/mm ? c) 1000N/m 2 d) 1MN/m The maximum deflection & in a simply supported beam of length L carrying a concentrated load P at midspan is equal to the 3. a) PL/42EI b) PL²/44EI c) PL/48EI d) PL/84EI 4. If the principal stress is 80 MPa in tension and 20 MPa in compression then the maximum shearing stress is equal to the ----- MPа. a) 10 b) 40 c) 50 d) 30
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