** Instruction** : Answer all questions

Que (1). When do we say a structure is statically determinate and geometrically stable?

Que (2). ……….. Is a point where Bending moment changes sign ?

Que (3). what happened to a point where the shear force changes sign ?

Que (4). The term **road hypnosis**, means what?

Que (5). State the formulae to determine compactive effort of a given compaction method.

**Goodluck**

**Please remember to tell us your name and name of school.**

AGBAGO SOLOMON EBUKA

CIVIL ENGINEERING DEPARTMENT

NNAMDI AZIKIWE UNIVERSITY AWKA

ANAMBRA STATE

(No1.) a structure is said to be statically determinate and geometrical stable when the structure can be analysed using the three conditions of equilibrium and also when the degree of redundancy equal to zero

(No2) .point of contraflexure

(No3) .There is no bending occuring at the point and the bending moment is at the maximum

(No4.) road hypnosis can be defined as the ability of performing actions(eg.driving on the road) without consciously thinking about it

It can be curbed by

Driving during daytime

Engaging in conversation with Passengers

Drinking of caffeinated beverages

Sitting straight

Turning on the radio set

(For no5.) compactive effort=weight of hammer*height of drop of hammer *number of blows per layer*number of layer/volume of mould

No 1. When we can use the three equilibrium condition to solve the structural beam

No 2. Point of contraflexure

No3. Shear force is zero “zero shearforce”

Please name of school & full name

1 A structure is statically indeterminate if the member forces cannot be calculated using the equations of static equilibrium. Example 1. Since the number of unknowns = the number of equations, the structure is statically determinate (member forces can be calculated using equilibrium equations). structure is stable.

2 point of contraflexure

3 the point where shear changes sign is an inflection point in the moment diagram where the slope is zero. In the Strength of Materials version, the point internal to a beam (looking at a cross section of the beam) where the shear changes sign and is zero is called the Neutral Axis, where the shear is zero.

4 road hypnosis, also known as white line fever, is an altered mental state in which a person can drive a car, truck, or other automobile great distances, responding to external events in the expected, safe, and correct manner with no recollection of having consciously done so.

5 Divide the volume of the loose trash by the volume of the compacted trash to achieve the compaction ratio. As an example, 16 cubic feet of loose trash compacted into a 4 cubic feet volume would have a ratio of four, or four to one.

Please name of school & full name

CROSS RIVER UNIVERSITY OF TECHNOLOGY CALABAR.

NAME UYANAH JOSEPH

No 1. When we can use the three equilibrium condition to solve the structural beam

No 2. Point of contraflexure

No3. Shear force is zero “zero shearforce”

No4. also known as white line fever, is an altered mental state in which a person can drive a car, truck, or other automobile great distances, responding to external events in the expected, safe, and correct manner with no recollection of having consciously done so.

No. 1. We can say that a structure is said to be statically determinate and geometrically stable, when the structure can be analysed using the three conditions of equilibrium and also when the degree of redundancy equal to zero.

No. 2.Contraflexure is the point where bending moments changes sign.

No. 3. The point where shear forces changes sign is zero. (Zero shear force).

No. 4. Highway hypnosis , also known as

white line fever , is an altered mental state in which a person can drive a car,

truck, or other automobile great distances, responding to external events in the expected, safe, and correct manner with no recollection of having consciously done so.

No. 5. The formulae to determine the compactive efforts of a given compaction method is first,

Divide the volume of the loose sand by the volume of the compacted sand to determine the compaction ratio.

Nwangwu Valentine

Federal polytechnic oko

1.In a statically determinate system, all reactions and internal member forces can be calculated solely from equations of equilibrium. However, if equations of equilibrium alone do not provide enough information to calculate these forces, the system is geometrically stable,that to say that If n is greater than zero, the system is geometrically stable ND if n is equal to zero, it is statically determinate and may or may not be stable

2. contraflexure

3.the slope will start from zero at the inflection point

4. Road hypnosis is a skill of hypnotizing some one randomly from the public with out any prior arrangement.