1. The modular ratio of a given reinforced concrete beam is defined as: a. The ratio of the modulus of elasticity of steel to the modulus of elasticity of concrete b. The ratio of the modulus of elasticity of concrete to the modulus of elasticity of steel c. The ratio of the maximum allowable stress of concrete to the maximum allowable stress of steel d. None of the above 2. It consists chiefly of occupancy loads in buildings and traffic loads on bridges. The magnitude and distribution at any given time are uncertain and even their maximum intensities throughout the lifespan of the structure are not known with precision a. Dead Load b. Live Load c. Lateral Load d. None of the above 3. Which of the ff. is an incorrect assumption in the analysis of Reinforced Concrete? a. Cross sections originally plane before loading will remain plane after loading b. Concrete will have negligible tensile strength c. Strain in the embedded steel reinforcement must not be equal to the strain of concrete d. The internal resistance of a member must be equal to the external loads 4. What will be the reduction factor for a strain equal to 0.0038? a. 0.65 b. 0.78 c. 0.80 d. 0.90 5. Given fc' = 35 MPa, solve for the modulus of elasticity of concrete a. 27,800.00 MPa b. 27,805.57 MPa 200,000.00 MPa с. d. None of the above 6. If fc'= 42 MPa, solve for B1. a. 0.65 b. 0.75 с. 0.85 d. None of the above
1. The modular ratio of a given reinforced concrete beam is defined as: a. The ratio of the modulus of elasticity of steel to the modulus of elasticity of concrete b. The ratio of the modulus of elasticity of concrete to the modulus of elasticity of steel c. The ratio of the maximum allowable stress of concrete to the maximum allowable stress of steel d. None of the above 2. It consists chiefly of occupancy loads in buildings and traffic loads on bridges. The magnitude and distribution at any given time are uncertain and even their maximum intensities throughout the lifespan of the structure are not known with precision a. Dead Load b. Live Load c. Lateral Load d. None of the above 3. Which of the ff. is an incorrect assumption in the analysis of Reinforced Concrete? a. Cross sections originally plane before loading will remain plane after loading b. Concrete will have negligible tensile strength c. Strain in the embedded steel reinforcement must not be equal to the strain of concrete d. The internal resistance of a member must be equal to the external loads 4. What will be the reduction factor for a strain equal to 0.0038? a. 0.65 b. 0.78 c. 0.80 d. 0.90 5. Given fc' = 35 MPa, solve for the modulus of elasticity of concrete a. 27,800.00 MPa b. 27,805.57 MPa 200,000.00 MPa с. d. None of the above 6. If fc'= 42 MPa, solve for B1. a. 0.65 b. 0.75 с. 0.85 d. None of the above
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1. The modular ratio of a given reinforced concrete beam is defined as:
a. The ratio of the modulus of elasticity of steel to the modulus of elasticity of concrete
b. The ratio of the modulus of elasticity of concrete to the modulus of elasticity of steel
C.
The ratio of the maximum allowable stress of concrete to the maximum allowable stress of steel
d. None of the above
2. It consists chiefly of occupancy loads in buildings and traffic loads on bridges. The magnitude and distribution at any given time are uncertain
and even their maximum intensities throughout the lifespan of the structure are not known with precision
a. Dead Load
b. Live Load
с.
Lateral Load
d. None of the above
3. Which of the ff. is an incorrect assumption in the analysis of Reinforced Concrete?
Cross sections originally plane before loading will remain plane after loading
b. Concrete will have negligible tensile strength
c. Strain in the embedded steel reinforcement must not be equal to the strain of concrete
а.
d. The internal resistance of a member must be equal to the external loads
4. What will be the reduction factor for a strain equal to 0.0038?
a.
0.65
b.
0.78
C.
0.80
d.
0.90
5. Given fc' = 35 MPa, solve for the modulus of elasticity of concrete
a.
27,800.00 MPa
27,805.57 MPa
200,000.00 MPa
b.
С.
d.
None of the above
6. If fc'= 42 MPa, solve for B1.
а.
0.65
b.
0.75
С.
0.85
d.
None of the above
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