Related Questions

A person who weighs 800 N steps onto a scale that is on the floor of an elevator car. If the elevator accelerates upward at a rate of 5 m/s2, what will the scale read?
A 400 N
B 800 N
C 1,000 N
D 1,200 N
A red house is built from red bricks . A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from ?
A green bricks
B wood
C glass
D steel
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (with return) trips will the operator makes during a 7-hour period?
A 50
B 60
C 80
D 90
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period?
A 50
B 60
C 80
D 90
Who invented the safety elevator?
A Gustave Eiffel
B Elisha Otis
C George M. Pullman
D Emily Warren Roebling
The world's first underground railway system was built in -
A Berlin
B Moscow
C New York
D London
The first-ever war ship in Bangladesh was built by.
A DESH shipbuilding and Engineering Ltd. Narayanganj ship Builders
B Narayanganj ship Builders
C Khulna shipyard
D Western Marine shipyard Limited
Select the correct answer choice of the following Question : "The first-ever War ship in Bangladesh was built by."
A DESH Shipbuilding and Engineering Ltd.
B Narayanganj Ship Builders
C Khulna Shipyard
D Western Marine Shipyard Limited
The first-ever War ship in Bangladesh was built by
A DESH Shipbuilding and Engineering Ltd.
B Narayanganj Ship Builders
C Khulna Shipyard
D Western Marine Shipyard Limited
The first bridge _____________________ built __________________ probably a wooden bridge.
A ever being, had
B that stands, it
C that was, was
D had fallen, was

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