WorksheetsREVISION QUIZ
Total questions: 10
Worksheet time: 7mins
The way a bridge behaves in the wind is called
(a)
MECHANICAL RESONANCE OF A BRIDGE MEANS?
FORCE APPLIED TO THE BRIDGE IS AT A FREQUENCY WHICH MATCHES BRIDGE'S NATURAL FREQUENCY,THE VIBRATION WITHIN THE BRIDGE WILL BE AMPLIED
FORCE APPLIED TO THE BRIDGE IS AT A FREQUENCY LESS THAN BRIDGE'S NATURAL FREQUENCY,THE VIBRATION WITHIN THE BRIDGE
BOTH A & B
TENDENCY OF A SYSTEM TO VIBRATE WITH LOW AMPLITUDES AT LOWER FREQUENCY
4 MAIN FORCES ACTS ON A BRIDGE?
wind ,PUSH,PULL AND GRAVITY
MECHANICAL, GRAVITATIONAL, WIND AND PHYSICAL
COMPRESSION,TENSION,TORSION,SHEAR
NONE OF THE ABOVE
why is a triangle strong shaped?
(a)
what is truss in a bridge?
triangular shaped rigid structure
transfer load from one point to wider area
acts as a single unit in tension or compression
all are correct
SHEAR STRESS =
FORCE /ARREA,CALCULATES AGAINST FORCE DIRECTION
FORCE* AREA
FORCE / AREA ,CALCULATES IN THE FORCE DIRECTION
none of the above
Push on a bridge is called
(a)
TORSION FORCE
Torque is a moment that twists a structure
Torsion force is large means material undergo twisting.
Twisting of an object due to an applied torque
all the above
How does wind affect bridges?
INDUCE INSTABILITY AND VIBRATION IN LONG SPAN BRIDGES
BALANCING LOAD
REDUCE OSCILLATIONS
CLEANING BRIDGE
TYPES OF BRIDGES
SUSPENSION TYPE
TRUSS TYPE
ARC TYPE
ALL OF THE ABOVE
