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Why plate girder is preferred over truss girder?

Why plate girder is preferred over truss girder? Correct Answer cost of fabrication of truss girder is high

When load is heavier and span is also large, either plate girder or truss girder can be used. But, plate girder is preferred because of the disadvantages of truss girder. The disadvantages of truss girder are higher cost of fabrication and erection, problem of vibration and impact, requirements of higher vertical clearance and costly maintenance.

Related Questions

Consider the following statements: 1. The thickness of the gusset plate should not be more than the thickness of the structural members being connected. 2. A plate girder is essentially a beam and its moment of resistance depends upon its section modulus. 3. The function of the flanges in a plate girder is to resist the bending moment and hence their respective areas can be reduced near the supports of a simply supported beam. Which of the above statements are correct?
In Sanjay Cafe, the charges for Maharashtrian meal plate is Rs. 45 and charges for South Indian meal plate is Rs. 60. In a particular month, 40 Maharashtrian meal plate were served while number of South Indian meal plate served was 65, then what is the ratio of total charges collected for Maharashtrian meal plate and total charges collected for South Indian meal plate?
Rinki has three plates of Jalebies: Plate A, Plate B and Plate C. Plate A has only one Jalebi, Plate B has five Jalebies and Plate C has three Jalebies. She wants to put equal numbers of Jalebies in all the plates. Which of the following statement is true?
Simplify : $${{{5 \over 3} \times {7 \over {51}}{\text{ of }}{{17} \over 5} - {1 \over 3}} \over {{2 \over 9} \times {5 \over 7}{\text{ of }}{{28} \over 5} - {2 \over 3}}}$$
Mrs. Lavanya took a cab to meet her three friends at a park. They were waiting for her outside the park when she pulled up in the car. She was so excited to see her friends that she left her hand purse in the cab. As the cab pulled away, she and her friends tock notice of the license plate number so that, they would be able to identify the car when they called the cab company. 1. The four women seem to agree that the plate starts out with the letter A. 2. Three of them agree that the plate ends with 15X. 3. Three of then think that the second letter is Z, and a different three think that the third letter is M. The four license plate numbers below represent what each of the four women thinks she saw. Which one is most likely the license plate number of the cab?
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Mrs. Carson took a taxi to meet her three friends for lunch. They were waiting for her outside the restaurant when she pulled up in the car. She was so excited to see her friends that she left her tote bag in the taxi. As the taxi pulled away, she and her friends took notice of the license plate number so they would be able to identify the car when they called the taxi company.

#1 : The four women seem to agree that the plate starts out with the letter J.
#2 : Three of them agree that the plate ends with 12L.
#3 : Three of them think that the second letter is X, and a different three think that the third letter is K.

The four license plate numbers below represent what each of the four women thinks she saw. Which one is most likely the license plate number of the taxi?
A flat plate 1 m by 1 m is placed in a wind tunnel. The velocity and temperature of free stream air are 80 m/s and 10 degree Celsius. The flow over the whole length of the plate is made turbulent by turbulizing grid placed upstream of the plate. Find the thickness of the hydrodynamic boundary layer at trailing edge of the plate
A flat plate 1 m by 1 m is placed in a wind tunnel. The velocity and temperature of free stream air are 80 m/s and 10 degree Celsius. The flow over the whole length of the plate is made turbulent by turbulizing grid placed upstream of the plate. Find the heat flow from the surface of the plate
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